A tranquil mind is the source of health.

I think a lot about labor and time.

We perceive the world in terms of its significance for action.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

最古老、最简短的词语——'是'和'否'——是需要最多思考的。

焦虑是自由的眩晕。

I've learned that you can't please everyone, and that's okay.