The three seals (Sanskrit: trimudrā; C. 三印) or three dharma seals (Sanskrit: tri dharma mudra; C. 三法印) is a formulation of the fundamental tenets of Buddhism that is commonly used in East Asian Buddhism.
According to Thich Nhat Hanh, "Any teaching that does not bear these Three Seals cannot be said to be a teaching of the Buddha."
Formulations in other traditions
- in the Theravada tradition, the three dharma seals, more commonly known as the three marks of existence, are impermanence, nonself, and dukkha.
- in the Tibetan tradition, the four dharma seals is the most common expression of the basic tenets. The four dharma seals are also referenced by East Asian Buddhist teachers.