Laugh, and the world laughs with you; weep, and you weep alone.
笑，全世界便与你同声笑，哭，你便独自哭。
I'm very confident in my own skin.
In the end, survival is about the will to live. It's about the human spirit.
聪明用在正道上，越聪明越好，文采名声会帮助他事业渐进；聪明用在邪路上，越聪明越坏，文才名声只助长其伪诈丑行。
寻找互反律是数学史上的一个基本主题。
Life is short, and it's up to you to make it sweet.
要么数学对人类思维来说过于庞大，要么人类思维不仅仅是机器。
"Every frame should tell a story."
With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.