If you do something once, people will call it an accident. If you do it twice, they call it a coincidence. But do it a third time and you've just proven a natural law.

自我不是现成的东西，而是通过行动选择不断形成的东西。

真正的领导力是关于在今天做出艰难的决定，以创造更美好的明天。

Remaining quiet is what is called wisdom-insight.

"Mathematics is the science of patterns, and we study them to learn how to think logically, critically, and creatively."

采矿业的可持续性不是一种选择，而是我们对后代的责任。