The past is always changing. It is not fixed. The past is not stable.
过去总是在变化。它不是固定的。过去并不稳定。
译文:人必须在事情上磨炼,才能立得住;才能做到安静时也安定,行动时也安定。
最好的角色是那些在合上书后仍久久留在你心中的角色。
The law, in its majestic equality, forbids the rich as well as the poor to sleep under bridges, to beg in the streets, and to steal bread.
"The best stories are the ones that ask questions, not just provide answers."
数学的乐趣在于努力理解的过程。
A mathematician is a device for turning coffee into theorems.