A propositional sign, applied and thought out, is a thought. A thought is a proposition with a sense.

Courage, not cleverness; not even inspiration, is the grain of mustard that grows up to be a great tree.

We regard the photograph, the picture on our wall, as the object itself (the man, landscape, and so on) depicted there. This need not have been so. We could easily imagine people who did not have this relation to such pictures. Who, for example, would be repelled by photographs, because a face without color and even perhaps a face in reduced proportions struck them as inhuman.

If a person tells me he has been to the worst places I have no reason to judge him; but if he tells me it was his superior wisdom that enabled him to go there, then I know he is a fraud.

I won't say 'See you tomorrow' because that would be like predicting the future, and I'm pretty sure I can't do that.

Nothing is so difficult as not deceiving oneself.

Philosophy can be said to consist of three activities: to see the commonsense answer, to get yourself so deeply into the problem that the common sense answer is unbearable, and to get from that situation back to the commonsense answer.