真正的痛苦不是来自外部,而是来自我们如何理解它。
预测未来的最好方法就是创造未来。
发现的艺术不在于找到新大陆,而在于用新的眼光去看。
解释:冬天不洗冰水,并不是吝惜冰;夏天不烤火,也不是舍不得火。而是因为这样做对身体不适宜。
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.