I let my boy go and do and say pretty much as he likes, as, and perhaps because, my father kept no string on me.

We need some great failures. Especially we ever-successful Americans - conscious, intelligent, illuminating failures.

If my father could watch my son for a while, he might realize his own immortality.

Morality is only moral when it is voluntary.

I have seen the future, and it works.

My father seemed always to know not only what I was doing, but what I was being.

The best picture has not yet been painted; the greatest poem is still unsung; the mightiest novel remains to be written; the divinest music has not been conceived, even by Bach. In science, probably ninety-nine percent of the knowable has not yet been discovered.