出自先秦《荀子·荣辱》。赠人以善良之言，好比冬天的衣服一样让人感到温暖；说伤害别人的话，比用矛戟刺人还要厉害，为人说话不可太刻薄。

阅读是不动身旅行。

Everything is a learning process: any time you fall down, you get up and you learn from it.

Infrastructure builders must endure solitude and withstand tests.

The mathematician's patterns, like the painter's or the poet's, must be beautiful.

I don't take no for an answer.