Nothing is more important for teaching us to understand the concepts we have than to construct fictitious ones.

Logic is not a body of doctrine, but a mirror-image of the world. Logic is transcendental.

The world of those who are happy is different from the world of those who are not.

The face is the soul of the body.

We are asleep. Our Life is a dream. But we wake up sometimes, just enough to know that we are dreaming.

Courage, not cleverness; not even inspiration, is the grain of mustard that grows up to be a great tree.

If I have exhausted the justifications, I have reached bedrock and my spade is turned. Then I am inclined to say: 'This is simply what I do.