We must be guardians of the ocean, not plunderers.

The aim of education should be to teach us rather how to think, than what to think—rather to improve our minds, so as to enable us to think for ourselves, than to load the memory with thoughts of other men.

"Writing is a way of talking without being interrupted."

最重要的是保持好奇心。

大多数战略的问题不在于它们是错误的，而在于它们是无关紧要的。

衡量矿业公司成功的真正标准是它能否为后代留下积极的遗产。