Monastery of Open Doors / TreeleafSangha

Monastery of Open Doors / TreeleafSangha A Soto Zen Sangha practicing in the tradition of Eihei Dogen There is no being distant, no near or far and all are welcome.

Treeleaf Zendo was designed specifically as an online practice place for Zen practitioners who cannot easily commute to a Zen Center due to health concerns, living in remote areas, or work, childcare and family needs, and seeks to provide Zazen sittings, retreats, discussion, interaction with a teacher, and all other activities of a Zen Buddhist Sangha, all fully online.

"Zazen allows the profound knowing of other faces of time and the timeless. It is medicine for our being imprisoned by t...
26/07/2026

"Zazen allows the profound knowing of other faces of time and the timeless. It is medicine for our being imprisoned by time, too bound by time, with no other sense of reality." (Excerpt)

We're pleased to share with you this teaching from Jundo Roshi: "Don’t Sit for Any Length of Time. Don’t Sit to Be Happy. Don’t Sit for Yourself." Please read the full post at the link below.

https://www.treeleaf.org/2026/07/dont-sit-for-any-length-of-time-dont-sit-to-be-happy-dont-sit-for-yourself/

19/07/2026

I am very content that the following endorsements will appear on the cover and inside pages of my new book:

The Whole Universe Led to YOU!
The improbable, implausible, nearly impossible twists and turns
of physics, chemistry, biology, evolution, human history and more,
from the Big Bang to YOUR own Birth.

However, I recall this good advice: "Never believe too much your press releases!" 🥹 I don't want to end up with a big "non-ego!" 👍 Philosopher Bernardo Kastrup's Essentia Foundation will release the book late this year.

~~~~
The amazing web of events from the Big Bang to what we call our "present" is breathtaking, evoking wonder and awe in everyone. Jundo Cohen elegantly tells the tale in clear prose and simple imagery for anyone to understand. As we ponder our existence amid time and space, we may miss the simple marvel of our being here as one current result of all that it took. Physics does not provide an answer to this question—which is at once simple and extremely complex—and it is likely incapable of doing so. Let us think outside the box in understanding the mystery.​
-- Saverio Pascazio, Professor of Theoretical Physics

The mysteries of existence and sentience have long driven my search for truth. Jundo Cohen’s book highlights the extraordinary depth of the conundrum of personal consciousness. While I myself may not subscribe to every aspect of the book, understanding consciousness at this point cannot be limited to selected ways of thinking or knowing, but should seek expansive yet rational diversity.
-- Robert Lawrence Kuhn, Creator and Host, Closer To Truth

Our personal lineage reaches beyond family and nations, to the whole planet, stars and time itself. An amazing tale of our origins in everything.
-- Prof. Steven Heine, Historian

In the footsteps of Douglas Hofstadter, Carl Sagan and Yuval Noah Harari, Jundo Cohen leads us to reassess our place in the universe and, indeed, purpose in life.
-- Alan Lessik, Novelist and Essayist

Like a master textile artist, Jundo Cohen weaves scientific insights into a compelling tapestry that invites the deepest kind of philosophical reflection—the kind that percolates through words and letters into appreciation for the wondrous improbability of each of us being here now.
-- Peter Hershock, Philosopher

The chain of causes and effects which led to our births is amazing and mysterious to all of us. Jundo Cohen describes the rich and significant story of universal events for the last 13.8 billion years, leading to our births. Now that we are born, let us not waste the opportunity to do good in this life.
-- Ven. Dr. Yifa, Founder of Woodenfish Foundation

One Reason Our Sangha Will Always Be SmallA little story from my last night showed me clearly one reason our Treeleaf Sa...
13/07/2026

One Reason Our Sangha Will Always Be Small

A little story from my last night showed me clearly one reason our Treeleaf Sangha always will have limited appeal in the wider Buddhist and Spirituality world ...

So, I recently made a new friend here in Tsukuba "Science City" Japan, a town heavy in science and medical researchers from around the world. He is a neurological researcher from Eastern Europe, a good chap, and I invited him out for an evening to introduce him to other local friends.

A few weeks ago, he asked me for my business card, and I gave him two: One card for my little office as a a translator of Japanese and retired lawyer, and one as Zen teacher Jundo. When meeting people for the first time, I am always a little concerned about the second card, and most especially in this case of introducing myself to a man of science, peer-reviewed papers and reason. Will he think it strange and too exotic, unscientific, perhaps a sign of some cult and pyramid scheme to sell crystals, seances and alternative cures?
In any case, over dinner with my brain researching new friend, the topic eventually came up as to whether he thought consciousness solely the product of the brain or (as I do, although I did not say then) the brain with something more.

Not only did he say, "something more," but he then began to relay, for the next hour, tales of his personal and frequent experiences of speaking with the dead, energy beams flowing through his body from other realms, witnessed extraterrestrial UFOs, distance healing, travel through multi-dimensional tunnels to other planes, meeting higher "beings" in those planes, encountering the "keeper" of the "book of fates" where our lives are written, mind reading, foreseeing future death days (fortunately, he did not see mine ... or was just being polite not to tell me! ), his several out of body experiences, spirit possessions and exorcisms ... and more. He discovered that the universe, and those higher beings, are seeking to teach us lessons in this life. In fact, it is not the first time that I have had this kind of thing happen when chatting with apparently "grounded," otherwise hard nosed scientists here in Tsukuba.

I was quickly forced to realize that, not only was I not strange and too exotic as the Zen teacher at that table ... I was, by far, the most boring and uninteresting fellow at the table!

But I was also left with some other realizations.

First, the brain researcher helped me feel deeply that I preach a "left brain" Zen wherein, while I consider myself a mystic who believes that the point of Zen is to see through the purely material surface appearances of this world to something wondrous and easy to miss and deathless and timeless, I nonetheless remain the skeptical lawyer with a love for science, evidence, demanding of some basis in what is reasonable and not outlandish. I call myself a "pragma-mystic" who knows that something "is afoot" in this universe beyond what meets the eye, who finds all time and space in every grain of sand, and knows everything as a great dance ... but has little trust in crystals, unearthly UFO, out-of-body experiences (the doctor said his were something more than just some trick of the spatial-temporal brain centers), distance healing and most of the rest, for there may be some truth there but also a lot that deserves skepticism. Sorry, In fact, I feel that much of that gets in the way of the real power and mystical wonder of what Zen has to teach!

But that also means that we will never attract to Treeleaf the people (the vast majority?) who want energy healing, talking with the dead, wild realms (taken literally, rather than psychologically or symbolically), and all those other colorful things and experiences in their religion. Again, sorry.

On the other hand, listening closely to the doctor, I realized not only his deep sincerity about these adventures, but that the final lessons that such phenomena left to him were basically identical with the wisdom and compassion of our flavor of boring Zen practice! It was only the packaging that was different. For just one example, the "keeper" of the "book of fates" has left him with the message that each of us both should accept what is written in the book, but also know that much of it can be changed! Even if a bit less colorful in presentation, that is Zen wisdom too!!

Maybe it is only the vehicle and packaging of the message that is different. Maybe different people need to learn these lessons in their own ways. Maybe the Catholics and ancient Aztecs, Daoists and Wickans, Tibetans and Norsemen ... and yes, mystical lawyers and scientists who sense the "beauty of the math and music of the spheres" ... just express something basic, but each in their own language and myths and images. It is the insights that matter, not the artwork and trippiness of the trip.

So, finally, I realized that I am happy to be the boring "left brain mystic" that I am, because there are people out there ... even if not the majority ... who need to hear the wisdom packaged that way and delivered as it is here, maybe because they are left brain "pragma-mystics" like me too and a bit skeptical. One can transcend the cosmos AND be down to earth at the same timeless time. I will leave the Aztec gods to the Aztecs, the other realms to other realms. For many folks, the song and dance and distracting scenery can get in the way, when it is the wisdom and compassion that really matters.

This world is not as meets the eye, but the point is to see clearly with a Buddha's Eye, not clouded or colored or confused eyes.

I know that the universe is teaching us something profound, but it can be heard and mastered in many ways.

Big Personal News from Jundo:  I am tickled, for this is truly a dream for nerds like me! 🤔Some of my fellow nerds may h...
29/06/2026

Big Personal News from Jundo: I am tickled, for this is truly a dream for nerds like me! 🤔

Some of my fellow nerds may have heard of Robert Lawrence Kuhn, the host of "Closer to Truth," an incredibly popular, long running series on American public tv on "Big Questions" ... all over the youtube too ...

https://closertotruth.com/

All the modern big shots of science and philosophy have appeared as guests over the last 27 years ... plus a few fools and crackpots like me ... 😍
https://closertotruth.com/contributors/

Dr. Kuhn received a copy of my upcoming book through a mutual friend, seems to have liked it, and was kind enough to offer to post some summary of my ideas on their web page. I am hoping that he might even do some interview on the book at some point! For now, he asked me to write something connecting my suggestions to his present central interest: Consciousness.

HERE IT IS!!!
https://loc.closertotruth.com/theory/cohen-s-ultra-fine-tuned-personal-consciousness

SOMEHOW, undeservedly, he has listed me in the same category of consciousness theories together with proposals by philosopher Thomas Nagel, Harvard cognitive psychologist Steven Pinker, neuroscientist David Eagleman, Skeptic magazine publisher Michael Shermer and physicist Paul Davies ... all some of my personal heroes! 😄

My upcoming book is being published under the imprint of the Essentia Foundation, led by philosopher (and noted advocate of idealism and non-dualist notions), Bernardo Kastrup, and should be out late this year:

The Whole Universe Led To YOU!: The improbable, implausible, nearly impossible twists and turns of physics, chemistry, biology, evolution, human history and more, from the Big Bang to YOUR own Birth.

The greatest thinkers. The deepest questions.

We will be gathering again this Sunday, June 21, for our monthly Ryaku Fusatsu ceremony.https://www.treeleaf.org/2025/03...
18/06/2026

We will be gathering again this Sunday, June 21, for our monthly Ryaku Fusatsu ceremony.

https://www.treeleaf.org/2025/03/fusatsu/

As always, this is a wonderful opportunity to come together as a sangha to reaffirm our commitment to the precepts.

Please check our Practice Calendar to find the exact time of the ceremony in your local time zone:
https://www.treeleaf.org/practice-calendar/

We hope to see you on Sunday! ☺️🙏

Please join us this Saturday, June 6, for another live Zoom discussion as part of our Beyond Words and Letters Book Club...
04/06/2026

Please join us this Saturday, June 6, for another live Zoom discussion as part of our Beyond Words and Letters Book Club as we continue our reading of "Stories of the Lotus Sutra" by Gene Reeves.

Whether you're caught up with the readings, ahead, behind or just getting started, there's no time like the present to join us!

Please visit the link below for more information and to find the meeting time in your local time zone.

https://www.treeleaf.org/2026/04/book-club-lotus-stories/

30/04/2026

Hello everyone, we are meeting again the coming weekend, coming together out of compassion for those suffering, our hope for peace and our mutual support throughout the year. Led by Washin from Odessa, we'll be sitting for peace in the Ukraine and around the world this coming Sunday. You can check w...

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Tsukuba-shi, Ibaraki

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