The key to successful investing is to have a long-term perspective and to stick to your investment plan.

团结是人民的柔情。

实现明天的唯一限制将是我们今天的疑虑。

The best way to cheer yourself up is to try to cheer somebody else up.

Efficiency in farming should never come at the cost of environmental stewardship.

始终追求卓越，而不是完美。

Every discovery builds on the work of those who came before us.

一个良好的世界需要知识、善良和勇气；它不需要对过去的后悔，也不需要被无知之人长时间前说过的话所束缚的自由智慧。

写作是抵抗历史的抹去。

数学家的模式，就像画家或诗人的模式一样，必须是美丽的；思想，就像颜色或文字一样，必须以和谐的方式结合在一起。