Train employees well enough they could get another job， but treat them well enough so they never want to.

梦是开设在灵魂深处最隐蔽角落的小小隐秘窗口，它所通向的宇宙夜空是心灵性的，在自我-意识出现之前很久就已如此，而无论我们的自我-意识的疆界如何扩展，它将始终通向心灵的夜空。

A story is a letter that the author writes to himself, to tell himself things that he would be unable to discover otherwise.

You can't make a good deal with a bad person.

数学的美在于它让我们看到世界上不立即显现的模式和结构。