This philosopher’s statement that “eternity is a child playing at the table” appears in a text likening him to Orpheus, the Derveni Papyrus. Hegel’s Lectures on the History of Philosophy claims that this thinker should be considered the teacher of both Hippocrates and Plato. A radical student of this thinker advocates for people to communicate with finger wags in his namesake Platonic dialogue, Cratylus. This philosopher used the example of the tension in a (*) lyre or a bowstring to illustrate his “unity of opposites.” This so-called“weeping philosopher” (-5[1])believed that the other elements derived from fire. For 10 points, (10[1])name this philosopher from Ephesus, whose doctrine that the universe is always in flux is often illustrated with the statement that “no man ever steps into the same river twice.” ■END■ (0[3])