穷人往往比富人更具创业精神，但他们缺乏成功的工具。

学习达到快乐的境界就成功了。

永远不要停止学习，因为生活永远不会停止教导。

"There is no such thing as a moral or an immoral book. Books are well written, or badly written."

Curiosity and persistence are the driving forces behind scientific breakthroughs.

Forests teach us patience—growth takes time.

发现可能性的极限的唯一方法就是超越它们进入不可能。