Suffering in life is the result of the evil one did in a prior existence. After man's death, the soul chooses its future body and destiny. The gods are blameless. Knowledge is a matter of recalling ideas that are innate in the soul. A Priori Truths .
All ideas are eternal and true.
Man does not know truth through the senses. The senses mislead and deceive man. Ideas are within man's soul. Man need not experience any outward events in order to know. He turns inward, making his life more spiritual and God-like, so that, free of the limitations of the senses, he approaches the spiritual source of knowledge.