As we all know, Buddhism is a doctrine that asserts the absence of self. We need to know what “self” is, in what way the “self” does not exist, and why it is inherently empty.

Firstly, what is self?

In Buddhism, “self” can be divided into two kinds: one is “self in person”; the other is “self in phenomena.” Here, self is called “bdag” in Tibetan. Although the Chinese written word for “self” is the same for “I, me,” it does not necessarily mean “I,” as in “you and I,” but things having real and substantive existence.

~Depicted from THE FOUR SEALS OF DHARMA - All Phenomena Lack Self-Existence