The Prajna Paramita Heart Sutra Translated from Sanskrit into Chinese by Tripitaka Master Hsuan Tsang Commentary by Grand Master T'an Hsu Translated into English by Ven. Dharma Master Lok To. The Prajna Paramita Hrydaya Sutra is the core of the Maha Prajna Paramita in six hundred scrolls. This book is based on a nine-day teaching in which Grand Master T'an Hsu went through the sutra line by line, giving a clear and extensive commentary on each one, using many carefully chosen examples along the way to make his discourse more relevant in terms of everyday life. [French Sutra Translation Committee of the United States and Canada New York - San Francisco - Toronto 2000. First published 1995. Second Edition 2000. Sutra Translation Committee of the United States and Canada].