Science is the crystallization of human wisdom and an important force driving social progress.
科学是人类智慧的结晶,是推动社会进步的重要力量。
The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all.
Jealousy is not a pathology; it's an evolved defense mechanism against threats to reproductive success.