文章之所以能永存于天地之间，是因为它能阐明道理、记录政事、体察民间疾苦、乐于称道他人的善行。

I'm not afraid of dying, I'm afraid of not trying.

The writer’s role is to question, not to comfort.

We are all visitors to this time, this place. We are just passing through. Our purpose here is to observe, to learn, to grow, to love... and then we return home.

数学不是关于数字、方程、计算或算法的：它是关于理解的。