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。
When a professor insists computer science is X but not Y, have compassion for his graduate students.
I never try to predict the market; I just try to be prepared for whatever it does.
未经审视的生活不值得过。
法律与道德的分离是法律体系存在的必要条件。