The returns to education are higher than most people realize.

伟大的小说是拒绝被遗忘的小说。

Buying tools: Start by buying the absolute cheapest tools you can find. Upgrade the ones you use a lot. If you wind up using some tool for a job， buy the very best you can afford.

理解自然的复杂性是终极挑战。

伟大的公司不只是销售产品，而是解决问题。

有时候生活会给你当头一棒。不要失去信心。