Love is a slippery eel that bites like hell

Even in the most purely logical realms, it is insight that first arrives at what is new.

Frege has the merit of ... finding a third assertion by recognising the world of logic which is neither mental nor physical.

The human race may well become extinct before the end of the century.

The method of "postulating" what we want has many advantages; they are the same as the advantages of theft over honest toil.

Mathematics is only the art of saying the same thing in different words.

The main thing needed to make men happy is intelligence.