Not how the world is, but that it is, is the mystery.

I think I summed up my attitude to philosophy when I said: philosophy ought really to be written only as a poetic composition.

The face is the soul of the body.

People often say that aesthetics is a branch of psychology. The idea is that once we are more advanced-all the mysteries of art-will be understood by psychological experiments. Exceedingly stupid at this idea is, this is roughly it.

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

The so-called law of induction cannot possibly be a law of logic, since it is obviously a proposition with a sense.--Nor, therefore, can it be an a priori law.

Proof, one might say, does not merely shew that it is like this, but: how it is like this. It shows how 13+14 yield 27.