If in the first act you have hung a pistol on the wall, then in the following one it should be fired. Otherwise don't put it there.

In displaying the psychology of your characters, minute particulars are essential. God save us from vague generalizations!

Instructing in cures, therapists always recommend that "each case be individualized." If this advice is followed, one becomes persuaded that those means recommended in textbooks as the best, means perfectly appropriate for the template case, turn out to be completely unsuitable in individual cases.

Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.

The time's come: there's a terrific thunder-cloud advancing upon us, a mighty storm is coming to freshen us up....It's going to blow away all this idleness and indifference, and prejudice against work....I'm going to work, and in twenty-five or thirty years' time every man and woman will be working.

How unbearable at times are people who are happy, people for whom everything works out.

There will come a time when everybody will know why, for what purpose, there is all this suffering, and there will be no more mysteries. But now we must live ... we must work, just work!