关于课程的斗争最终是关于我们希望拥有何种社会的斗争。

"The best books are the ones that leave you a little different than when you started."

I don't like repetition because music needs innovation.

语言越精确，越能揭示其下的深渊。

The essence of mathematics lies in its freedom.

乳制品生产的可持续性不是一种选择，而是对后代子孙的必要责任。