Only by working harder than others can you be more successful than others.

Human cognition is best understood as a hierarchy of information processing levels.

世界上充满了神奇的事物，耐心地等待着我们的智慧变得更加敏锐。

The historian must have some kinship with his subject. The dead will not speak unless they are properly addressed.

管得最少的政府是最好的政府。