"What a treacherous thing to believe that a person is more than a person."

The key to managing complexity is to focus on the interfaces between components, not their implementations.

火药让我理解了生命的短暂与永恒。

Environmental responsibility should be integrated into every decision we make.

We don't inherit the land from our ancestors; we borrow it from our children.

The poor are not lazy; they are just caught in a system that makes it very hard for them to escape poverty.

科学不仅是对世界的描述，也是世界的一部分。

——〈民权主义第五讲〉，1924年4月20日