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.

A picture whose pictorial form is logical form is called a logical picture.

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.

In order to be able to set a limit to thought, we should have to find both sides of the limit thinkable (i.e. we should have to be able to think what cannot be thought).

[M]an is fulfilling the purpose of existence who no longer needs to have any purpose except to live. That is to say, who is content.

When one is frightened of the truth then it is never the whole truth that one has an inkling of.

When we can't think for ourselves, we can always quote