I just don't think the moon is going to be an adequate substitute for the fact that we haven't addressed ourselves to clearing up the slums.

We can destroy ourselves by cynicism and disillusion, just as effectively as by bombs.

Only the bad artists of the nineteenth century were frightened by the invention of photography; the good ones all welcomed it and used it.

In time of war all countries behave equally badly, because the power of action is handed over to stupid and obstinate men.

The difference between what we see and a sheet of white paper with a few thin lines on it is very great. Yet this abstraction is one which we seem to have adopted almost instinctively at an early stage in our development, not only in Neolithic graffiti but in early Egyptian drawings. And in spite of its abstract character, the outline is responsive to the least tremor of sensibility.

It would be unfair to say that I prefer the back of a book to its contents, but it is true that the sight of a lot of books gives me the hope that I may some day read them, which sometimes develops into the belief that I have read them.

A lot of people you think you know you don't know until you find out you don't know then it may be too late to know.