The concept of karma (along with reincarnation, samsara, and moksha) may originate in the shramana tradition of which Buddhism and Jainism are continuations. This tradition influenced the Brahmanic religion in the early Vedantic (Upanishadic) movement of the 1st millennium BC. Reincarnation was adopted from this religious culture by Brahmin orthodoxy, and Brahmins wrote the earliest recorded scriptures containing these ideas in the early Upanishads...
By the way, who has the maximum Karma on this forum?
|