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.

Sustainability is no longer an option—it's a necessity for any business that wants to thrive in the future.

要在准备好时做出决定，而不是在压力之下。或为了达到个人目的，或因为内部政治斗争，或因为一些外部需求，其他人总会催促你做出决策。但几乎每次你都可以这么说：“我需要更多的时间来考虑这个问题。我想清楚了再回复你。”即使是在最艰难、最令人不快的情况下，这种策略也非常有效。