In order to think and infer it is necessary to assume beings: logic handles only formulas for what remains the same. That is why this assumption would not be a proof of reality: 'beings' are part of our perspective. ... The fictitious world of subject, substance, 'reason,' etc., is needed-: there is in us a power to order, simplify, falsify, artificially distinguish. ... What then is truth? A moveable host of metaphors, metonomies, and anthropomorphisms: in short, a sum of human relations which have been poetically and rhetorically intensified, transferred, and embellished, and which, after long usage, seem to a people to be fixed, canonical, and binding. Truths are illusions which we have forgotten are illusions; they are metaphors that have become worn out and have been drained of sensuous force,

Author: Friedrich Nietzsche