I have learned that neither kindness or cruelty by themselves, or independent of each other, create any effect beyond themselves.

One must let the play happen to one; one must let the mind loose to respond as it will, to receive impressions, to sense rather than know, to gather rather than immediately understand.

Martha: Truth or illusion, George; you don't know the difference. George: No, but we must carry on as though we did. Martha: Amen.

Any definition which limits us is deplorable.

Influence is a matter of selection - both acceptance and rejection.

Your source material is the people you know, not those you don't know, but every character is an extension of the author's own personality.

The playwright, along with any writer, composer, painter in this society, has got to have a terribly private view of his own value, of his own work. He's got to listen to his own voice primarily. He's got to watch out for fads, for what might be called the critical aesthetics.