"A great story is one that lingers in the mind long after the last page is turned."
一个伟大的故事是在翻完最后一页后仍久久萦绕在脑海中的故事。
Every problem in mathematics is an opportunity to learn something new.
"The act of remembering is a way of reclaiming our history and asserting our presence in the world."
The secret of a happy old age is to have a good memory and a bad one.