Where our language suggests a body and there is none: there, we should like to say, is a spirit.

The common behavior of mankind is the system of reference by means of which we interpret an unknown language.

What has history to do with me? Mine is the first and only world! I want to report how I find the world. What others have told me about the world is a very small and incidental part of my experience. I have to judge the world, to measure things.

What is your aim in philosophy? To show the fly the way out of the fly-bottle.

I think I summed up my attitude to philosophy when I said: philosophy ought really to be written only as a poetic composition.

The depressed man lives in a depressed world.

Don't think, but look! (PI 66)