To predict the behavior of ordinary people in advance, you only have to assume that they will always try to escape a disagreeable situation with the smallest possible expenditure of intelligence.

There are no facts, only interpretations.

The charm of knowledge would be small indeed, were it not that there is so much shame to be overcome on the way to it.

We operate with nothing but things which do not exist, with lines, planes, bodies, atoms, divisible time, divisible space - how should explanation even be possible when we first make everything into an image, into our own image!

Early in the morning, at break of day, in all the freshness and dawn of one's strength, to read a book -I call that vicious!

It is good to express a thing twice right at the outset and so to give it a right foot and also a left one. Truth can surely stand on one leg, but with two it will be able to walk and get around.

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.