我们教授一门学科不是为了培养关于该学科的小型活图书馆，而是让学生自己学会数学思考。
We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.
You have to be able to admit when you're wrong and move on.
最好的书是那些让你以不同的方式看待世界的书。
To be a writer is to be a perpetual student of life.
真正的独角兽不仅仅是估值，而是创造持久的价值。
The best fertilizer is the farmer's shadow—nothing replaces presence and attention in the fields.