Jack was given permission to teach in 1992 by Robert Aitken Roshi and was made Dharma heir in 1997, one of 5 in North America. He brings his roles of spouse, father and psychotherapist, along with years of endangered species work and wilderness wanderings to his teaching.
The following talks were given by Jack Duffy on March 2023 at the Steep Mountain Retreat by zoom. These words were offered as teisho (a Dharma talk) during the retreat.
Allowing a Little Piece of God to Enter – On Etty Hillesum’s Diaries
The following talks were given by Jack Duffy on the Spring of 2022 at the Steep Mountain Retreat by zoom. These words were offered as teisho (a Dharma talk) during the retreat.
Talk 01 – One Bright Pearl & The Drainage Stream (Part 1)
Talk 02 – One Bright Pearl & The Drainage Stream (Part 2)
Talk 03 – One Bright Pearl & The Drainage Stream (Part 3)
The following talks were given by Jack Duffy during the end of Summer of 2021 at September 7 Day Practice Intensive via Zoom. These words were offered as teisho (a Dharma talk) during the retreat.
Talk 01 – A Grey and Ash-Strewn World
Talk 02 – Zhaozhou’s Discontented Heart
Talk 06 – Priestly Lay Women and Men
The following talks were given by Jack Duffy during the Spring of 2021 at April Practice Intensive via Zoom. These words were offered as teisho (a Dharma talk) during the retreat.
Talk 01 – Therigatha, The Teisho of Trees
Talk 02 – The Practice of Growing Weeds
Talk 06 – Stepping Forward Stepping Back – Case 79 of the Book of Equanimity
The following talks were given by Jack Duffy during the Winter of 2021 at February Zenkai via Zoom. These words were offered as teisho (a Dharma talk) during the retreat.
The following talk was given by Jack Duffy during the Fall of 2020 at November Zenkai via Zoom. These words were offered as teisho (a Dharma talk) during the retreat.
The following talks were given by Jack Duffy during the Winter of 2019 at Winter Bones Rohatsu Sesshin. These words were offered as teisho (a Dharma talk) during the retreat.
Talk 02 – The Peak not Exposed
Talk 04 – Go By the Living Road
Talk 05 – Where There is no Place to Step, Go a Thousand Steps Forward
Talk 06 – Oh My Good Worthy Friends
The following talks were given by Jack Duffy during the Fall of 2019 at Broken Raven Sesshin. These words were offered as teisho (a Dharma talk) during the retreat.
Talk 03 – Wild Ducks of the Blue Cliffs
Talk 05 – Speaking Without Moving Lips or Tongue
The following talks were given by Jack Duffy during the Winter of 2018 at Winter Bones Rohatsu Sesshin. These words were offered as teisho (a Dharma talk) during the retreat.
Zen Echo – Case 7: Asking About Nirvana
Zen Echo – Case 15: Not Mind, Not Buddha
Entangling Vines – Case 153: Nanquan Living in a Hermitage
Zen Echo – Case 18: Layman Pang’s Awakening
Layman Pang’s Supernatural Activity
Zen Echo – Case 4: Angulimala and the Difficult Delivery
The following talks were given by Jack Duffy during the Fall of 2018 at Broken Raven Sesshin. These words were offered as teisho (a Dharma talk) during the retreat.
Zen Echo – Case 1: The World Honored One Ascends the Seat
Zen Echo – Case 5: The Mind That Emerges from the Empty Void
The following talks were given by Jack Duffy during the Spring of 2018 at Branching Moon Sesshin. These words were offered as teisho (a Dharma talk) during the retreat.
Talk Day 2: Uji: Dynamic-Intimacy as Time
Talk Day 3: Being-Time: The Consideration of Coming and Going
Talk Day 4: Uji: Swallowing the Great Earth
Talk Day 5: Being-Time: Entering the Mud; Entering the Water
Talk Day 6: Uji: No Passing Away
The following talks were given by Jack Duffy during the Fall of 2017 at Broken Raven Sesshin. These words were offered as teisho (a Dharma talk) during the retreat.
Talk 01 – Zen Echo – Again for the First Time
Talk 02 – Zen Echo – Case 2: Falling Flowers
Talk 04 – Zen Echo – Case 12: Living a Life in Love
Talk 05 – Zen Echo – Case 17: The Circle of Why
The following talks were given by Jack Duffy during the Winter of 2017 at Winter Bones Rohatsu Sesshin. These words were offered as teisho (a Dharma talk) during the retreat.
Talk 01 – Zen Echo – A Biting Dog
Talk 02 – Zen Echo – A Cloak of Wild Flowers
Talk 06 – Zen Echo – The Most Evident Truths
Talk 07 – Zen Echo – The Wild Staff
The following talks were given by Jack Duffy during the Spring of 2017 at Branching Moon Sesshin. These words were offered as teisho (a Dharma talk) during the retreat.
Talk 01 – Dahui-Zonggao – Non factual Hyperbole
Talk 02 – Dahui Zonggao – The Path Knows the Way
Talk 04 – Dahui Zonggao – Ocean of Dreams
Talk-05 – Dahui Zonggao – The Ocean Seal
Talk-06 – Dahui Zonggao – Ocean Tidings
The following talks were given by Jack Duffy during the Winter of 2016 at Winter Bones Sesshin. These words were offered as teisho (a Dharma talk) during the retreat.
Talk 1 The Blue Cliff Record Case 4: Deshan Holds His Bundle
Talk 2 The Book of Equanimity Case 2: Bodhidharma “Emptiness”
Talk 3 The Book of Equanimity Case 3: The Indian King Invites the Ancestor
Talk 4 The Book of Equanimity Case 4: The Buddha Points to the Ground
The following talks were given by Jack Duffy during the Autumn of 2016 at Broken Raven Sesshin. These words were offered as teisho (a Dharma talk) during the retreat. These talks focus on Muso Soseki, a Rinsai monk and teacher.
Talk 1 No Expedient Means (on Musu Soseki)
Talk 2 Skulls, Suicide and Sullied Flesh (on Muso Soseki)
Talk 3 On Not Searching For What Can’t Be Found (on Muso Soseki)
Talk 4 The Bridge Where The Moon Crosses (on Muso Soseki)
Talk 5 The Bridge of Donkeys and Horses (on Muso Soseki)
Talk 6 Who Else Are You Looking For? (on Muso Soseki)
The following talks were given in the Spring of 2014 at Branching Moon Sesshin by Jack Duffy. These words were offered as teisho (a Dharma talk) during sesshin. These talks focus on the Record of the Transmission of the Light (Denkoroku) by Zen Master Keizan Jokin.
Talk 1 Record of the Transmission of the Light – Case 47 – Zhenxie Qingliao
Talk 2 Record of the Transmission of the Light – Case 48 – Tiantong Zongjue
Talk 3 Record of the Transmission of the Light – Case 49 – Xuedou Zhijian
Talk 4 Record of the Transmission of the Light – Case 50 – Tiantong Rujing
Talk 5 Record of the Transmission of the Light – Case 51 – Eihei Dogen
Talk 6 Record of the Transmission of the Light – Case 52 – Koun Ejo
The following talks were given in the Winter of 2013 at Winter Bones Rohatsu Sesshin by Jack Duffy. These words were offered as teisho (a Dharma talk) during sesshin. These talks focus on the Record of the Transmission of the Light (Denkoroku) by Zen Master Keizan Jokin and The Radiant Light of Reality (Gandavyuha).
Talk 1 Record of the Transmission of the Light – Case 43 – Liangshan Yuanguan
Talk 2 Record of the Transmission of the Light – Case 17 – Rahulata
Talk 3 The Radiant Light of Reality (Gandavyuha)
Talk 4 The Radiant Light of Reality (Gandavyuha)
Talk 6 The Radiant Light of Reality (Gandavyuha)
The following talks were given in the Fall of 2013 at Broken Raven Sesshin by Jack Duffy. These words were offered as teisho (a Dharma talk) during sesshin. These talks focus on the Record of the Transmission of the Light (Denkoroku) by Zen Master Keizan Jokin.
Talk 1 Record of the Transmission of the Light – Case 06 – Dhritaka
Talk 2 Record of the Transmission of the Light – Case 33 – Daman Hongren
Talk 3 Record of the Transmission of the Light – Case 34 – Dajian Huineng
Talk 5 Record of the Transmission of the Light – Case 36 – Shitou Xiquian
Talk 6 Record of the Transmission of the Light – Case 07 – Micchaka
The following talks were given in the Summer of 2013 at Ancient Bones Retreat by Jack Duffy. These words were offered as teisho (a Dharma talk) during the retreat. These talks focus on the Record of the Transmission of the Light (Denkoroku) by Zen Master Keizan Jokin.
Talk 1 Record of the Transmission of the Light – Case 04 – Shanavasa
Talk 2 Record of the Transmission of the Light – Case 05 – Upagupta
Talk 3 Record of the Transmission of the Light – Case 32 – Dayi Daoxin
Talk 4 Record of the Transmission of the Light – Case 34 – Dajian Huineng
The following talks were given in the Spring of 2013 at Branching Moon Sesshin by Jack Duffy. These words were offered as teisho (a Dharma talk) during sesshin. These talks focus on the Record of the Transmission of the Light (Denkoroku) by Zen Master Keizan Jokin.
Talk 1 Record of the Transmission of the Light – Case 01 – Shakyamuni
Talk 2 Record of the Transmission of the Light – Case 02 – Mahakashyapa
Talk 3 Record of the Transmission of the Light – Case 03 – Ananda
Talk 4 Record of the Transmission of the Light – Case 29 – Bodhidharma
Talk 5 Record of the Transmission of the Light – Case 30 – Dazu Huike
Talk 6 Record of the Transmission of the Light – Case 31 – Seng T’san
The following talks were given in the Winter of 2012 at Winter Bones Rohatsu Sesshin by Jack Duffy. These words were offered as teisho (a Dharma talk) during sesshin. These talks focus on the Platform Sutra by Zen Master Hui-Neng.
Talk 1 Platform Sutra – Gateless Barrier Case 23 – Neither Good Nor Evil
Talk 2 Platform Sutra – Gateless Barrier Case 29 – Not the Wind Not the
Banner
Talk 3 Platform Sutra – Transmission of the Light Case 33 – Sifting the
Moon
Talk 4 Platform Sutra – Sections 14-16 – Dark Paths of Light
Talk 5 Platform Sutra – Sections 17-19 – Bare Bones of Practice
Talk 6 Platform Sutra – Sections 20-23 – Precepts and Refuge
The following talks were given in the Fall of 2012 at Walking Rain Sesshin by Jack Duffy. These words were offered as teisho (a Dharma talk) during sesshin. These talks focus on the Diamond Sutra.
Talk 1 Torei Zenji Bodhisattva Vow – Verse 4
Talk 2 Diamond Sutra – Blue Cliff Record Case 67 – Diamond Sutra Fu
Talk 3 Diamond Sutra – Blue Cliff Record Case 97 – Revilement and the Diamond Sutra
Talk 4 Diamond Sutra – The Best of Circumstances
Talk 5 Diamond Sutra – Thus I Hear
Talk 6 Diamond Sutra – Words and Phrases
The following talks were given in the Summer of 2012 at Ancient Bones Retreat by Jack Duffy. These words were offered as teisho (a Dharma talk) during the retreat. These talks focus on Torei Zenji Bodhisattva Vow.
Talk 1 Torei Zenji Bodhisattva Vow – Verse 1
Talk 2 Torei Zenji Bodhisattva Vow – Verse 2
Talk 3 Torei Zenji Bodhisattva Vow – Verse 3
Verse 4 of Torei Zenji Bodhisattva Vow was given at Walking Rain Sesshin 2012 – Talk 1 (Teisho 1)
The following talks were given in the Spring of 2012 at Branching Moon Sesshin by Jack Duffy. These words were offered as teisho (a Dharma talk) during sesshin. These talks focus on the Verse of the Faith-Mind by Zen master Seng-T’san.
Talk 1 Verse of the Faith Mind – Blue Cliff Record Case 57 – A Country Rustic
Talk 2 Verse of the Faith Mind – Blue Cliff Record Case 59 – Simply the Way
Talk 3 Verse of the Faith Mind – Blue Cliff Record Case 2 – The Supreme Way
Talk 4 Verse of the Faith Mind – Transmission of the Light Case 30 – A Fatal Illness
Talk 5 Verse of the Faith Mind – Shin Jin Mei
Talk 6 Verse of the Faith Mind – Three Aspects of the Precepts