"Only philosophers embark on this perilous expedition to the outermost reaches of language and existence. Some of them fall off, but others cling on desperately and yell at the people nestling deep in the snug softness, stuffing themselves with delicious food and drink. 'Ladies and Gentlemen,' they yell, 'we are floating in space!' But none of the people down there care"
"And although I have seen nothing but black crows in my life, it doesn't mean that there's no such thing as a white crow. Both for a philosopher and for a scientist it can be important not to reject the possibility of finding a white crow. You might almost say that hunting for 'the white crow' is science's principal task."
"Wisest is she who knows she does not know."
"A philosopher knows that in reality he knows very little. That is why he constantly strives to achieve true insight. Socrates was one of these rare people. He knew that he knew nothing about life and about the world. And now comes the important part: it troubled him that he knew so little."
"The rearing of children is considered too important to be left to the individual and should be the responsibility of the state."
"Life is both sad and solemn. We are led into a wonderful world, we meet one another here, greet each other - and wander together for a brief moment. Then we lose each other and disappear as suddenly and unreasonably as we arrived."