Although you have so far demonstrated little faith in my ability to pay, I yet hope to demonstrate that I am somebody who pays his debts-for example, to you.

A book full of brilliance imparts some of it even to its opponents.

One can also be undignified and flattering toward a virtue.

He who humbles himself wants to be exalted.

Historical refutation as the definitive refutation.- In former times, one sought to prove that there is no God - today one indicates how the belief that there is a God arose and how this belief acquired its weight and importance: a counter-proof that there is no God thereby becomes superfluous.- When in former times one had refuted the 'proofs of the existence of God' put forward, there always remained the doubt whether better proofs might not be adduced than those just refuted: in those days atheists did not know how to make a clean sweep.

You are rewarding a teacher poorly if you remain always a pupil.

O sancta simplicitas! What strange simplification and falsification mankind lives on! One can never cease to marvel once one has acquired eyes for this marvel! How we have made everything around us bright and free and easy and simple! How we have known how to bestow on our senses a passport to everything superficial, on our thoughts a divine desire for wanton gambling and false conclusions! - how we have from the very beginning understood how to retain our ignorance so as to enjoy an almost inconceivable freedom, frivolity, impetuosity, bravery, cheerfulness of life, so as to enjoy life!