自由不是任何人可以给予的东西。自由是人们夺取的，人们有多想要自由，就有多自由。

Covenants, without the sword, are but words, and of no strength to secure a man at all.

To achieve satisfactory investment results is easier than most people realize; to achieve superior results is harder than it looks.

对心智的研究应着眼于其适应功能。