学习数学的唯一方法就是做数学。

"Grief is not a linear process. It comes in waves, and sometimes those waves knock you down."

人真正的祖国是童年。

Memory is a treacherous thing, it changes and distorts over time.

If you're not listening to your customers, you're already falling behind.

每个圣人都有过去，每个罪人都有未来。

天然气在能源转型中的作用再怎么强调也不为过。