"What we are supplying are really remarks on the natural history of human beings; we are not contributing curiosities however, but observations which no one has doubted, but which have escaped remark o…"

"The greatest evil in the world is not the evil that you do, but the evil that you stand by and allow to be done."

"I don't know why we are here, but I'm pretty sure that it is not in order to enjoy ourselves."

"My work consists of two parts: the one presented here plus all that I have not written. And it is precisely this second part that is the important one."

"Philosophy is a fight against the fascination which forms of expression exert upon us."