"The only way to learn mathematics is to do mathematics."
学习数学的唯一方法就是做数学。
The South is not just a place. It's a state of mind.
When a professor insists computer science is X but not Y, have compassion for his graduate students.
当教授坚持说计算机科学是X但不是Y时，请对他的研究生抱有同情心。
孔子说：“花言巧语、满脸堆笑的人，很少有仁爱之心。”