"In this remarkable book, Ajahn Buddhadasa teaches us beautifully, profoundly, and simply the meaning of sunnata, or voidness, which is a thread that links every great school of Buddhism....He teaches us the truth of this voidness with the same directness and simplicity with which he invites us into his forest."—from the foreword by Jack Kornfield

"Heartwood of the Bodhi Tree introduces emptiness (voidness) in a clear and full way as an original teaching of the Buddha. It emphasizes the importance of emptiness in all Buddhist traditions and contributes to non-sectarian dialogue and understanding."—Larry Rosenberg, Director, Cambridge Insight Meditation Center

"One of the most prolific and influential teachers in our modern era...Wisdom does a wonderful service by publishing Heartwood of the Bodhi Tree, a precious taste of Buddhadasa's way."—Turning Wheel

"Remarkable book...This beautiful book captures the spacious and profound teachings of the Thai forest tradition."—Inquiring Mind

"Clear and straightforward, the reader feels just how possible and practical it is to lead a happy life. Highly recommended."—Joseph Goldstein, author of Insight Meditation: The Practice of Freedom