科学的进步是我们逐渐意识到自己无知的过程。

The greatest threat to our planet is the belief that someone else will save it.

The man who does not work for the love of work but only for money is not likely to make money nor to find much fun in life.

最好的报复就是巨大的成功。

Leadership in crisis means making tough decisions today for a better tomorrow.

The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth.

我对事物的边缘感兴趣。