The natural effort of every individual to better his own condition， when suffered to exert itself with freedom and security， is so powerful a principle that it is alone， and without any assistance， not only capable of carrying on the society to wealth and prosperity but of surmounting a hundred impertinent obstructions with which the folly of human laws too often encumbers its operations.

没有战略的公司愿意尝试任何事情。

"It’s the things we love most that destroy us."

I believe that love is a better teacher than the sense of duty， he said， at least for me.