The foundation of the Buddha's teachings lies in compassion, and the reason for practicing the teachings is to wipe out the persistence of ego, the number-one enemy of compassion.
Dalai LamaBuddha himself taught different teachings to different people under different circumstances. For some people, there are beliefs based on a Creator. For others, no Creator. The only "definitive truth" for Buddhism is the absolute negation of any one truth as the Definitive Truth.
Dalai Lama