As far as historians can tell, he was the first scientist who tried to explain the origin of human race without the mention of a creator instead speculating that the cosmos was derived from one primordial substance separated out by opposites.<ref>The New American Desk Encyclopedia, Penguin Group, 1989</ref> He believed that all life began in the sea, and at one time or another, humans were some kind of fish. Later, scientists took his ideas, (most notably [[Charles Darwin]]), and turned it into what is now known as the "theory of [[evolution]]." | As far as historians can tell, he was the first scientist who tried to explain the origin of human race without the mention of a creator instead speculating that the cosmos was derived from one primordial substance separated out by opposites.<ref>The New American Desk Encyclopedia, Penguin Group, 1989</ref> He believed that all life began in the sea, and at one time or another, humans were some kind of fish. Later, scientists took his ideas, (most notably [[Charles Darwin]]), and turned it into what is now known as the "theory of [[evolution]]." |