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Ṭhānissaro Bhikkhu, also known as Ajaan Geoff (born 1949), is an American Buddhist monk. Belonging to the Thai Forest Tradition, for 22 years he studied under the forest master Ajahn Fuang Jotiko (himself a student of Ajaan Lee). Since 1993 he has served as abbot of the Metta Forest Monastery in San Diego County, California — the first monastery in the Thai Forest Tradition in the US — which he cofounded with Ajahn Suwat Suvaco.Template:Sfn
Ṭhānissaro Bhikkhu is perhaps best known for his translations of the Dhammapada and the Sutta Pitaka - almost 1000 suttas in all - providing the majority of the sutta translations for the reference website Access to Insight, as well as for his translations from the dhamma talks of the Thai forest ajahns. He has also authored several dhamma-related works of his own, and has compiled study-guides of his Pali translations.
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Ṭhānissaro Bhikkhu was born Geoffrey DeGraff in 1949 and was introduced to the Buddha's teaching on the Four Noble Truths as a high schooler, during a plane ride from the Philippines. Tricycle writes: "he grew up 'a very serious, independent little kid", spending his early childhood on a potato farm on Long Island, New York, and later living in the suburbs of Washington, D.C.Template:Sfn
Time at Oberlin
At Oberlin College in the early 1970s, "he eschewed campus political activism because 'I didn't feel comfortable following a crowd.' For him, the defining issue of the day wasn't Vietnam, but a friend's attempted suicide."Template:Sfn Thanissaro took a religious studies class when he found out there was meditation involved. Thanissaro writes: "I saw it as a skill I could master, whereas Christianity only had prayer, which was pretty hit-or-miss."Template:Sfn
First trip to Thailand
After graduating in 1971 with a degree in European Intellectual History from Oberlin College,Template:Cn he traveled on a university fellowship to Thailand.Template:Cn After a two-year search Thanissaro found a forest teacher — Ajaan Fuang Jotiko, a Kammatthana monk who studied under Ajahn Lee Dhammadaro — who insisted that his scholarly American student put his books aside.Template:Cn
After a brief stay with the teacher was cut short by malaria, he returned to the U.S. to weigh the merits of academia and monasticism.Template:Cn
Return to Thailand
Thanissaro states that when he returned to Thailand he originally planned on becoming a monk tentatively for five years. When he said that he wanted to be ordained, Ajahn Fuang made him promise to either "succeed in the meditation or die in Thailand. There was to be no equivocating."Template:Sfn Thanissaro felt certain upon hearing this.
Time with Ajahn Fuang
By Thanissaro's third year ordained as a monk, he became Ajahn Fuang's attendant. Ajahn Fuang's case of psoriasis deteriorated. It reached a point where Taan Geoff had to be at his side constantly.
Thanissaro writes: "When I talked with Ajahn Fuang about going back to the West, about taking the tradition to America, he was very explicit. 'This will probably be your life's work,' he said. He felt, as many teachers have, that the forest tradition would die out in Thailand but would then take root in the West."Template:Sfn
Posting at Wat Metta
Before Ajaan Fuang's death in 1986, he expressed his wish for Ajaan Geoff to become abbot of Wat Dhammasathit. Thanissaro says that in spite of Ajahn Fuang's wish there were a lot of people maneuvering to become abbot.Template:Citation needed After Ajahn Fuang died, Wat Dhammasathit had already come far from the outlying forest hermitage that Taan Geoff had once arrived at. Thanissaro said: "Ajahn Fuang said to keep moving; this is not a tradition that works well in big groups." Taan Geoff declined the offer of abbot of Wat Dhammasathit, which came with strings attached, and no authority since he was a Westerner in a monastery founded by and for Thai monks.
Instead of taking that position, he travelled to San Diego County in 1991, upon request of Ajaan Suwat Suvaco, where he helped start Metta Forest Monastery. He became abbot of the monastery in 1993. In 1995, Ajaan Geoff became the first American-born, non-Thai bhikkhu to be given the title, authority, and responsibility of Preceptor (Upajjhaya) in the Dhammayut Order. He also serves as Treasurer of that order in the United States.
Views on commentarial meditation practice
Thanissaro rejects the practice of kasina (meditation on coloured disks) outlined in the Visuddhimagga, and warns against forms of "deep jhana" practiced by contemporary meditation teachers who draw from the commentaries.
Thanissaro calls these meditations "wrong concentration", and says that they have no basis in the Pali Canon, which he argues should be considered ultimately authoritative.Template:Sfn
Living in forests as a way to revive the home culture of the Buddha's teachings
Thanissaro talks about the importance of the forest to give rise to the qualities of mind necessary to succeed in Buddhist practice. In his article "The Customs of the Noble Ones" he put it like this: 
Barbara Roether writes:
Thanissaro Bhikkhu's publications include:
- Translations of Ajahn Lee's meditation manuals from the Thai
- Handful of Leaves, a five-volume anthology of sutta translations
- The Buddhist Monastic Code, a two-volume reference handbook on the topic of monastic discipline
- Wings to Awakening, a study of the factors taught by Gautama Buddha as being essential for awakening
- The Mind Like Fire Unbound, an examination of Upādāna (clinging) and Nibbana (Nirvana) in terms of contemporary philosophies of fire
- The Paradox of Becoming, an extensive analysis on the topic of becoming as a causal factor of dukkha (suffering)
- The Shape of Suffering, a study of patittasamuppāda (dependent co-arising) and its relationship to the factors of the Noble Eightfold Path
- Skill in Questions, a study of how the Buddha's fourfold strategy in answering questions provides a framework for understanding the strategic purpose of his teachings
- Noble Strategy, The Karma of Questions, Purity of Heart, Head & Heart Together, and Beyond All Directions, collections of essays on Buddhist practice
- Meditations (1-5), collections of transcribed dhamma talks
- Dhammapada: A Translation, a collection of verses by the Buddha
- And as co-author, a college-level textbook, Buddhist Religions: A Historical Introduction
Aside from Buddhist Religions, all of the books and articles mentioned above are available for free distribution; many are online. Audio recordings of Dhamma talks are also given freely.
Some teaching locations
- Metta Forest Monastery
- Portland Friends of Dhamma
- Barre Center for Buddhist Studies
- The Cambridge Insight Meditation Center
- Insight Meditation Center
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- ↑ Bullitt, John (2007), "Thanissaro Bhikkhu (Geoffrey DeGraff)", Access to Insight, retrieved August 31, 2010
- Dhamma Talks and Writings of Thanissaro Bhikku
- Wat Mettavanaram Forest Monastery
- Suttas read aloud
- Audio archive from the Do It Yourself Dharma website
- Talks at AudioDharma
- Videos from Online Retreat on the Ten Perfections