要说“我爱你”，首先必须能够说“我”。

领导力在于今天做出艰难的决定，这些决定将塑造明天的机遇。

In the realm of mathematics, imagination and logic dance together in perfect harmony.

In republican governments, men are all equal; equal they are also in despotic governments: in the former, because they are everything; in the latter, because they are nothing.

The key to success in any business is understanding the market better than anyone else.

心理学必须基于直接经验，而非推论。