每一个实验，即使是失败的，也会教会你一些有价值的东西。

Lisp is worth learning for the profound enlightenment experience you will have when you finally get it; that experience will make you a better programmer for the rest of your days, even if you never actually use Lisp itself a lot.

Sustainable development is not a slogan, but a corporate responsibility that must be practiced.

历史数据以不同寻常的力量支持了一个结论。要成功投资，您必须成为长期投资者。