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.

Hegel said that `truth` is subjective, thus rejecting the existence of any `truth` above or beyond human reason. All knowledge is human knowledge.

We can be hindered in our development and our personal growth by political conditions. Outer circumstances can constrain us. Only when we are free to develop our innate abilities can we live as free beings. But we are just as much determined by inner potential and outer opportunities as the Stone Age boy on the Rhine, the lion in Africa, or the apple tree in the garden.

Every single morning I wake with a bang,' he said. 'It's as though the fact that I am alive is injected into me; I am a character in a fairytale, bursting with life.

Then you have a big problem, because a human is a thinking animal. If you don't think, you're not really a human.

To wonder about life is not something we learn; it is something we forget.

(As human beings) We see everything everything in a glass, darkly. Sometimes we can peer through the glass and catch a glimpse of what is on the other side. If we were to polish the glass clean, we'd see much more. But then we would no longer see ourselves.