Resting on your laurels is as dangerous as resting when you are walking in the snow. You doze off and die in your sleep.

How hard I find it to see what is right in front of my eyes!

At the core of all well-founded belief lies belief that is unfounded.

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

Someone who knows too much finds it hard not to lie.

It is a dogma of the Roman Church that the existence of God can be proved by natural reason. Now this dogma would make it impossible for me to be a Roman Catholic. If I thought of God as another being like myself, outside myself, only infinitely more powerful, then I would regard it as my duty to defy him.

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.