A hidden language that lies behind and brings things together. The logos makes sense to us when we attune to it. All things flow, nothing abides . Within the mystic school, but presenting a different internal theory was Parmenides. Change is illusion.
Reason reveals permanence, and that which is permanent is true.
Humanizes philosophy by putting humans at center. Recognizes a human's ability and need to persuade, because all is perception. E. Zeno, the student of Parmenides, carries relativity one step further, proving that all logic can be reduced to absurdity, and that the language of logic is inadequate. For example, the arrow can never reach the target because it always has to get halfway there first. Plato was so angered by Zeno's tricks, he said that Zeno could make the false appear true, and that description stuck to the Sophists to the present time.