写作是一种希望的行为。

Innovation in coal mining isn't about reinventing the wheel, but about making the wheel more efficient and environmentally friendly.

我通过过早卖出赚了钱。

幸福的家庭都是相似的，不幸的家庭各有各的不幸。

盈利和可持续性并不是对立的；它们是一枚硬币的两面。一个危害环境的企业最终会伤害自己。

The only real prison is fear, and the only real freedom is freedom from fear.

现实是：有时你会输。你永远不会因为太好而不会输。你永远不会因为太强大而不会输。你永远不会因为太聪明而不会输。这是会发生的事。

成功的最好方式是帮助别人成功。

A proof of a proposition is a process the nature of which is such as to produce in us a belief in that proposition.