If life becomes hard to bear we think of a change in our circumstances. But the most important and effective change, a change in our own attitude, hardly even occurs to us, and the resolution to take such a step is very difficult for us.

All mathematics is tautology.

Here the term 'language-game' is meant to bring into prominence the fact that the speaking of language is part of an activity, of a form of life.

Language is a part of our organism and no less complicated than it.

Only describe, don't explain.

It is not humanly possible to gather immediately from it what the logic of language is. Language disguises thought.

Genius is talent exercised with courage.