The Buddha, Siddhartha Gautama, was the historical teacher from whom Buddhism arose, probably in the 5th century BCE. His teaching links suffering to craving and ignorance and points toward liberation through the Eightfold Path; non-self and dependent origination challenge the idea of a permanent, isolated self.
Source: ChatGPT 5.6 Sol, Sunday, August 23, 2026, 4:17 a.m.