The difference between a good and a poor architect is that the poor architect succumbs to every temptation and the good one resists it.

The popular scientific books by our scientists aren't the outcome of hard work, but are written when they are resting on their laurels.

Where does our investigation get its importance from, since it seems only to destroy everything interesting, that is, all that is great and important? (As it were all the buildings, leaving behind only bits of stone and rubble.) What we are destroying is nothing but houses of cards and we are clearing up the ground of language on which they stand.

To think that you are not following a rule is to follow a rule.

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.

The eternal life is given to those who live in the present.

What is your aim in philosophy? To show the fly the way out of the fly-bottle.