Whether he meant that this would happen after death or during life, he never really explained it and it remains a mystery. Plato firmly believed that the human soul is a non-material entity that can exist separately from the body that existed before birth. He demonstrated this by stating that what we call learning is actually a form of “remembering”. Plato explains this by saying that the mind's ability to recognize and remember the necessary correct steps must be present from birth and those innate abilities can "only" come from the human soul being aware of the Form in a past life (Plato against Aristotle: Theory of forms and causes - Dirty profit |. For the rich who work). Aristotle on the other hand believed that all was right here on earth and that the Forms could be found if a scientific method of learning them could be developed. He believed that our natural world itself was real and physical. After studying some biological and physical phenomena during his teaching career, Aristotle came to understand that our world is actually composed of many different natural Forms, even if not all Forms were ideal, pure or perfect. He argued that with our senses we could identify all natural forms here on Earth. The big question that Aristotle and everyone else asked about Plato