La morale est la faiblesse de la cervelle.

In mathematics, the art of proposing a question must be held of higher value than solving it.

Life is too important to be taken seriously.

Love is life. All, everything that I understand, I understand only because I love.

系统有子系统，子系统有子系统，等等，这是无限的，这就是为什么我们总是从头开始。