我永远无法安全；我总是试图逆流而上。每当我完成一件事，我就会设定一个更高的目标。这就是我如何走到今天的位置。
The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.
Quality means doing it right when no one is looking.
和平是最高的善，因为它是心灵与其本性最完全一致的状态。