 Nietzsche is also a precursor for postmodernism in his genealogical analyses of fundamental concepts, especially what he takes to be the core concept of Western metaphysics, the “I”. On Nietzsche's account, the concept of the “I” arises out of a moral imperative to be responsible for our actions. In order to be responsible we must assume that we are the cause of our actions, and this cause must hold over time, retaining its identity, so that rewards and punishments are accepted as consequences for actions deemed beneficial or detrimental to others (Nietzsche 1889, 482-83; 1887, 24-26, 58-60). In this way, the concept of the “I” comes about as a social construction and moral illusion. According to Nietzsche, the moral sense of the “I” as an identical cause is projected onto events in the world, where the identity of things, causes, effects, etc., takes shape in easily communicable representations. Thus logic is born from the demand to adhere to common social norms which shape the human herd into a society of knowing and acting subjects.