Riches I need not, nor man's empty praise.

Mathematics and logic have been proved to be one; a fact from which it seems to follow that mathematics may successfully deal with non-quantitative problems in a much broader sense than was suspected to be possible.

Whatever you say it is, is simply what YOU SAY it is.

What we call progress consists in coordinating ideas with realities.

Every language having a structure, by the very nature of language, reflects in its own structure that of the world as assumed by those who evolved the language. In other words, we read unconsciously into the world the structure of the language we use.

I want to make clear only that words are not the things spoken about, and that there is no such thing as an object in absolute isolation.

There are two ways to slice easily thorugh life; to believe everything or to doubt everything. Both ways save us from thinking.