 This led him to Levinas's notions of "betrayal" and "generosity", two notions that would deeply influence his writing.Betraying contains a double meaning, violation and revelation.He linked it with Anaximander's notion of injustice in all things, later defining it as the nonidentity of every identity with itself, a systematic and pervasive sense of how nature and reason exceed themselves, with evolution a foremost example of the first, art and literature of the second.