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

Hegel seems to me to be always wanting to say that things which look different are really the same. Whereas my interest is in showing that things which look the same are really different. I was thinking of using as a motto for my book a quotation from King Lear: 'I’ll teach you differences'. ... 'You’d be surprised' wouldn’t be a bad motto either.

For an answer which cannot be expressed the question too cannot be expressed. The riddle does not exist. If a question can be put at all, then it can also be answered.

To convince someone of the truth, it is not enough to state it, but rather one must find the path from error to truth.

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

This procedure [selecting the simplest law], however, has no logical justification but only a psychological one.

If we spoke a different language, we would perceive a somewhat different world.