The deterioration of every government begins with the decay of the principles on which it was founded.

对探究的自由必须没有任何障碍……科学中没有教条的位置。

保持简单，简单的事情重复做。

The personal example of a teacher is the most useful sunshine that nothing can replace for the soul of young people.

I believe that the best way to make money in the stock market is to avoid the herd mentality and to think independently.

是个正常人都喜欢钱财，但要用正当的手段去求取；无论是男性还是女性都希望自己帅气和美丽，这是人之常情，但也要有礼仪规范。

If you are under the impression you have already perfected yourself， you will never rise to the heights you are no doubt capable of.