"Every word we speak carries the weight of our history and the hope of our future."

进步并非不可避免；它是深思熟虑的选择和行动的结果。

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

You should write, first of all, to please yourself. You shouldn't care a damn about anybody else at all.

True strength is not in the muscles, but in the heart.

幸福不是相信我们不需要改变；而是意识到我们可以改变。