The more you learn, the more you know. The more you know, the more you forget. The more you forget, the less you know. So why bother to learn?

Time erodes all such beauty, but what it cannot diminish… is the wonderful workings of your mind. Your humor, your kindness… and your moral courage.

你的魅力就像一只死鼻涕虫。

The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.

So much to do, so little done, such things to be.

Actions are right in proportion as they tend to promote happiness； wrong as they tend to produce the reverse of happiness.