At the dawn of Western thought there was a radical conflict between the two views. With Heraklit (520 – 450 BC), the whole reality is constantly changing: nothing is stable, there is no beginning, no goal, no rest. “One cannot take a bath twice in a river” is his famous saying, because between the two “bathing”, both the river and I have changed. His opponent, Parmenides, also lived at the same time in the 5th century BC. SCUBA AND INTO THE OCEAN I GO TO LOSE MY MIND AND FIND MY SOUL POSTER. Of course, Parmenides also saw the river drift, saw the four seasons changing, and found himself getting older (and perhaps wiser!) Only: he saw all that did not make sense. . For him, transformation and development are merely human hallucinations, because behind it, reality is immutable, eternal.