Three things are necessary for the salvation of man: to know what he ought to believe； to know what he ought to desire； and to know what he ought to do.

Innovation happens when you challenge the status quo and think differently.

The best way to predict the future is to create it.

在每个角色中，都有我的一部分。

至今一切社会的历史都是阶级斗争的历史。