Original-language term or English translation acceptable. Ancient views of this concept’s “secrets” are divided into Promethean and Orphic attitudes in Pierre Hadot’s (“ah-DOH’s”) The Veil of Isis. The Sophists were among those who debated the roles of this concept and nomos, or “law.” Aristotle wrote in De Anima that this concept “does nothing in vain.” An aphorism by Heraclitus claims that this concept “loves to hide.” (10[1])In a poem titled for this concept, a winged chariot takes the narrator to a goddess who describes the “Way of Truth” and the “Way of Opinion.” This concept (10[1])titles the major fragmentary texts by several (-5[1])pre-Socratics, (10[1])including Heraclitus and Parmenides. Aristotle is often credited with introducing the idea that this concept “abhors a vacuum.” (10[1])For 10 points, (10[1])in the Latin title of a work by Lucretius, (10[1]-5[1])what concept follows “De rerum”? ■END■ (0[2])