We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.

采矿业必须在不影响效率的情况下发展以满足可持续发展的需求。

空白页是世界上最可怕又最令人兴奋的东西。

爱自己是终生浪漫史的开始。

历史的进程由个人的意志塑造。

Nature is the greatest teacher and I learn from her best when others are asleep.

我们不试图预测未来。我们试图买便宜的东西。