Immanuel Kant

Metaphysics is a dark ocean without shores or lighthouse, strewn with many a philosophic wreck.

So act that your principle of action might safely be made a law for the whole world.

Experience without theory is blind, but theory without experience is mere intellectual play.

It is hardly surprising that women concentrate on the way they look instead of what is in their minds since not much has been put in their minds to begin with.

If you have a block of ballistics gelatin and a high-speed camera, pretty soon somebody gets a gun!

Another thing that freaks me out is time. Time is like a book. You have a beginning, a middle and an end. It's just a cycle.