在数学中,提出问题的艺术必须比解决问题更有价值。
In mathematics, the art of proposing a question must be held of higher value than solving it.
最大的器物最晚完成,最大的声音几乎没有声响,最大的形象没有形状。
Love is the only thing that grows when you give it away.
脾气切忌旺盛,心志切忌满足,才情切忌显露。