Most of the propositions and questions to be found in philosophical works are not false but nonsensical.

Mathematics is a logical method. . . . Mathematical propositions express no thoughts. In life it is never a mathematical proposition which we need, but we use mathematical propositions only in order to infer from propositions which do not belong to mathematics to others which equally do not belong to mathematics.

The problems are solved, not by giving new information, but by arranging what we have always known.

An honest religious thinker is like a tightrope walker. He almost looks as though he were walking on nothing but air. His support is the slenderest imaginable. And yet it really is possible to walk on it.

I sit astride life like a bad rider on a horse. I only owe it to the horse's good nature that I am not thrown off at this very moment.

What is left over if I subtract the fact that my arms goes up from the fact that I raise my arm?

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