不要把名字写在沙滩上，海浪会冲走它。不要把名字写在天空中，风可能会吹走它。把你的名字写在人们心里，那里才是它永存的地方。

我宁愿选择自由伴随着危险，也不要安宁却伴随着奴役。

Active management is a negative-sum game before costs and a loser's game after costs.

Sustainability isn't an option; it's a responsibility we owe to future generations.