The Heart Sutra is written in cursive script without any inscription and is said to be written by Zhang Xu in the Tang Dynasty. Published in Zhang Xu's Collection of Dharma Calligraphy of Twelve Famous Masters of the Tang and Song Dynasties published by Shanghai Painting and Calligraphy Publishing House

Explanation: The Prajna Paramita Heart Sutra, Avalokitesvara Bodhisattva, has been practicing deep Prajna Paramita for a long time, and I have seen that all the five aggregates are empty, and all sufferings have been endured. Forms are neither born nor destroyed, nor dirty nor pure, neither increasing nor decreasing. Therefore, there is no color in the air, no feelings, no thought, no movement, no consciousness, no eyes, ears, nose, tongue, body and mind, no color, sound, fragrance, touch, no vision or even unconscious world, no ignorance, no end of ignorance, no old age and death. There is no old age, death, no suffering, annihilation of the path, no wisdom, no achievement, no gain, so the Bodhisattva is in the realm of Prajnaparamita, so the heart has no worries, no worries, so there is no fear, far away from upside-down dreams, ultimate Nirvana, all the Buddhas in the three lives have gained, because of Prajnaparamita. Nuttara Samyak Sambodhi, so we know that Prajnaparamita is a great divine mantra, a great enlightenment mantra, a supreme mantra, and an infinite mantra that can eliminate all suffering, it is true and true, so we say Prajnaparamita mantra, that is, the mantra is called Revealing the Explanation, Revealing the Explanation, and Polo Revealing Deborah Monk reveals the truth about Bodhisattva