A philosopher always finds more grass to feed upon in the valleys of stupidity than on the arid heights of intelligence.

If you tried to doubt everything you would not get as far as doubting anything. The game of doubting itself presupposes certainty.

What is troubling us is the tendency to believe that the mind is like a little man within.

The world is everything that is the case.

What we cannot speak about we must pass over in silence.

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

A wheel that can be turned though nothing else moves with it, is not a part of the mechanism.