A coward is incapable of exhibiting love； it is the prerogative of the brave.

The best way to cheer yourself up is to try to cheer somebody else up.

Every algorithm tells a story, not just of the problem it solves, but of the ingenuity and creativity of its creator.

In chemistry, the smallest change can lead to the biggest revolutions.

我从十五岁开始致力于学习，三十岁便能自立于社会了，四十岁对各种事理不再迷惑不解，五十岁懂得了自然界的规律，六十岁对听到的事情能领会贯通，并能辨别是非真伪，七十岁时做事能随心所欲，但又不会超出礼法的规范。

The act of writing is an act of rebellion against oblivion.