效率是把事情做对,而效能是做对的事情。
Efficiency is doing things right; effectiveness is doing the right things.
The only limits that exist are the ones you place on yourself.
The historian is a prophet looking backward.
如果我们能找到答案,那将是人类理性的终极胜利 — 那时我们就能洞悉上帝的思想。