每个个体改善自身状况的自然努力，当在自由和安全的情况下得以发挥时，是如此强大，以至于它不仅能够独自，不受任何协助，推动社会走向富裕和繁荣，而且能够克服往往由愚蠢的人类法律造成的百般妨碍。
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.
There are no hard distinctions between what is real and what is unreal, nor between what is true and what is false.
Mental processes are means to ends in the struggle for existence.
The best ore deposits are found where others stopped looking.
如果一切都很完美，你就永远不会学习和成长。
每个成功项目的中间阶段看起来都像是一场灾难。