Science and vivisection make no appeal to a theological idea, much less a political one. You can argue with a theologian or a politician, but doctors are sacrosanct. They know; you do not. Science has its mystique much more powerful than any religion active today.

If you are never satisfied with what you write, that is a good sign. It means that your vision can see so far that it's hard to come up to it. Again I say - the only unfortunate people are the glib ones, immediately satisfied with their work. To them, the ocean is only knee-deep.

Your motto: Be Bold, Be Free, Be Truthful.

In true courage there is always an element of choice, of an ethical choice, and of anguish, and also of action and deed. There is always a flame of spirit in it, a vision of some necessity higher than oneself.

There is that American pastime known as "kidding" - with the result that everyone is ashamed and hangdog about showing the slightest enthusiasm or passion or sincere feeling about anything.

Work freely and rollickingly as though you were talking to a friend who loves you. Mentally (at least three or four times a day) thumb your nose at all know-it-alls, jeerers, critics, doubters.

Writing is the action of thinking, just as drawing is the action of seeing and composing music is the action of hearing.