数学不仅仅是一种工具；它是一种思维方式。

好老师不是注满一桶水，而是点燃一把火。

I have so much admiration for women who are married, have kids, and work full time. I don't know how you do it. I don't think I could.

译文：一起观察世人所崇尚的，悠闲地选择美好的时光。