"The world is full of obvious things which nobody by any chance ever observes."

True leadership means making tough decisions today that will pay off decades from now.

I don't think that you have any insight whatsoever into your capacity for good until you have some well-developed insight into your capacity for evil.

解释：节俭就会产生对生产不利的因素，侈靡则造成对财富的耗费。

我不和别人竞争。我和自己竞争。

Solitude is to the spirit what diet is to the body.

"The only thing that is truly timeless is the human story."

All men are created equal.