El.

“Our lives are part of a unique adventure... Nevertheless, most of us think the world is 'normal' and are constantly hunting for something abnormal--like angels or Martians. But that is just because we don't realize the world is a mystery. As for myself, I felt completely different. I saw the world as an amazing dream. I was hunting for some kind of explanation of how everything fit together.”
― Jostein Gaarder, The Solitaire Mystery

“When you realize there is something you don't understand, then you're generally on the right path to understanding all kinds of things.”
― Jostein Gaarder, The Solitaire Mystery

“(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.”
― Jostein Gaarder, Through a Glass, Darkly

“You can never know if a person forgives you when you wrong them. Therefore it is existentially important to you. It is a question you are intensely concerned with. Neither can you know whether a person loves you. It’s something you just have to believe or hope. But these things are more important to you than the fact that the sum of the angles in a triangle is 180 degrees. You don't think about the law of cause and effect or about modes of perception when you are in the middle of your first kiss.”
― Jostein Gaarder, Sophie's World: A Novel About the History of Philosophy