It takes billions of years to create a human being. And it takes only a few seconds to die.

The question of whether a thing is right or wrong, good or bad, must always be considered in relation to a persons needs.

Ladies and Gentlemen...we are floating in Space!

The universe is a great mystery.

Dear Hilde, if the human brain was simple enough for us to understand, we would still be so stupid that we couldn't understand it. Love, Dad.

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.