Innovation requires both courage and perseverance.
The future is always changing, but the past is always the same.
The beauty of mathematics lies in its ability to simplify the complex.
不懂得如何去爱却去爱，会伤害我们所爱的人。
把（春秋末期晋国豪富）韩魏两大家庭的财产附加给某个人，他仍然谦虚谨慎，那么他的品质就比一般人强太多了。
The problem with defending the purity of the English language is that English is about as pure as a cribhouse whore. We don't just borrow words; on occasion, English has pursued other languages down alleyways to beat them unconscious and rifle their pockets for new vocabulary.