I can calculate the motions of the heavenly bodies， but not the madness of people.

Philosophy is not a doctrine but an activity.

法律是一种强制秩序。

The most successful companies are those that see challenges as opportunities to innovate and grow.

The only thing necessary for the triumph of evil is for good men to do nothing.

To enjoy freedom we have to control ourselves.

那么，你认为我是什么样的人呢？