That of which we cannot speak, we must pass over in silence

Whereof one cannot speak, thereof one must be silent.

Language disguises thought.

Most of the propositions and questions to be found in philosophical works are not false but nonsensical.

There can never be surprises in logic.

Belief in the causal nexus is superstition.

We feel that even if all possible scientific questions be answered, the problems of life have still not been touched at all.

It is not humanly possible to gather immediately from it what the logic of language is. Language disguises thought.

Everything that can be thought at all can be thought clearly. Everything that can be said can be said clearly.

The agreement or disagreement or its sense with reality constitutes its truth or falsity.

It is obvious that an imagined world, however different it may be from the real one, must have something - a form - in common with it.

Most so-called brave people lack imagination. As though they can’t conceive of what would happen if something went wrong. The truly brave overcome their imagination and do what they have to do. 2

Part of you thinks that you are not going to die because part of you is not going to die.

I have sometimes thought that there is no being so venomous, so bloodthirsty as a professed philanthropist.

We grow neither better or worse as we get old, but more like ourselves.

I'll think of the idea and then I'll write something down, then within that there will be a joke or two which is the original thing which I thought was funny.

You never know how you'll turn out till you've been down to half a dollar and no prospects.

'Perfectionist' is the scariest word on a studio lot.

We are making tremendous progress that ISIS really does present to the homeland and to other homelands of allies around the world.

It doesn't matter who's in the box. You go after them and get them out the best way you can.

The principle of the Gothic architecture is infinity made imaginable. It is no doubt a sublimer effort of genius than the Greek style; but then it depends much more on execution for its effect.