文学毫无用处,正因如此它不可或缺。
La literatura no sirve para nada, y por eso es imprescindible.
林业的效率并不意味着砍伐更多,而是让每一棵树都有价值。
质量会被长久记住,而价格很快被遗忘。
I would not dare to say that there is a direct relation between mathematics and madness, but there is no doubt that great mathematicians suffer from maniacal characteristics.