"Parmenides... tells us... that there is no truth at all in the theory which he expounds, and he gives it merely as the belief of "mortals." ...[T]he beliefs in question are called "the opinions of mortals" simply because the speaker is a goddess. ..Parmenides forbids two ways of research, and... the second... must be the system of Herakleitos. We should.... expect... the other way... is the... contemporary... Pythagorean [school]. ...[T]here are Pythagorean ideas in the Second Part of the poem ...Parmenides said ...there are really only two ways ...and that the attempt of Herakleitos to combine them was futile. ...[H]e ...put into hexameters a view which he believed to be false."