We learn by rearranging what we know.

For a large class of cases - though not for all - in which we employ the word meaning it can be explained thus: the meaning of a word is its use in the language.

I Once wrote: "In mathematics process and result are equivalent."

We must do away with all explanation, and description alone must take its place.

All propositions are of equal value.

It is obvious that an imagined #‎ world , however different it may be from the real one, must have something - a form - in common with it.

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