If you enter this world knowing you are loved and you leave this world knowing the same, then everything that happens in between can be dealt with.
The only thing that can stop you is you.
维护程序的最好方法是维护它。
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。