Where did the world come from? The question has an answer, even though I cannot get to it. It is a good question. It is like a crime that has not been solved. There is an answer, even if police do not know it.

Maybe we can comprehend a flower or an insect, but we can never comprehend ourselves. Even less can we expect to comprehend the universe.

Throughout the entire history of philosophy, philosophers have sought to discover what man is - or what human nature is. But Sartre believed that man has no such eternal nature to fall back on. It is therefore useless to search for the meaning of life in general. We are condemned to improvise. We are like actors dragged onto the stage without having learned our lines, with no script and no prompter to whisper stage directions to us. We must decide for ourselves how to live.

Socrates himself said, 'One thing only I know, and this is that I know nothing.' Remember this statement, because it is an admission that is rare, even among philosophers. Moreover, it can be so dangerous to say in public that it can cost you your life. The most subversive people are those who ask questions. Giving answers is not nearly as threatening. Any one question can be more explosive than a thousand answers.

I wrote Sophies World in three months, but I was only writing and sleeping. I work for 14 hours a day when Im working on a book.

A Russian cosmonaut and a Russian brain surgeon were once discussing Christianity. The brain surgeon was a Christian, but the cosmonaut wasn’t. ‘I have been in outer space many times,’ bragged the cosmonaut, ‘but I have never seen any angels.’ The brain surgeon stared in amazement, but then he said, ‘And I have operated on many intelligent brains, but I have never seen a single thought.

going only part of the way is not the same as going the wrong way