To live remains an art which everyone must learn，and which no one can teach.
To live without joy is the privilege of the just.
A mathematician is a device for turning coffee into theorems.
释义：军队的强大或弱小、作战的胜利或失败都是常见的。重要的是能够从失败中吸取教训，将失败转化为成功。
艺术家必须创造自己的神话。
La verdadera literatura trasciende el tiempo y el espacio.