The world of the happy is quite different from that of the unhappy.

The fact that we can describe the motions of the world using Newtonian mechanics tell us nothing about the world. The fact that we do, does tell us something about the world.

Always get rid of theory private object in this way: assume that it constantly changes, but that you do not notice the change because your memory constantly deceives you.

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.

And to imagine a language means to imagine a form of life.

Where two principles really do meet which cannot be reconciled with one another, then each man declares the other a fool and a heretic