When I was fourteen, my father was so ignorant I could hardly stand to have him around. When I got to be twenty-one, I was astonished at how much he had learned in seven years. See what happens when you "know it all", at any stage of life? Farther down the track you may see clearly how certain personal opinions, held onto too tightly, could be fogging up the view, and providing incorrect insight. Prosperity is the best protector of principle.

You need not expect to get your book right the first time.

Adam was the author of sin, and I wish he had taken out an international copyright on it.

The slowness of one section of the world about adopting the valuable ideas of another section of it is a curious thing and unaccountable.

Do something everyday that you don't want to do.

Prophesy is a good line of business, but it is full of risks.

If you have nothing to say, say nothing.