爱是自由的；承诺永远爱同一个女人，与承诺永远相信同一个信条一样荒谬。
The strength of a company lies in its people and their commitment to excellence.
The teacher should not teach as if he were pouring knowledge into an empty vessel, but rather as if he were lighting a fire.
Three grand essentials to happiness in this life are something to do, something to love, and something to hope for.
数算练习告诉我们算术运算的原理，而不是单单的记忆和不断演算。