"Time is always a surprise. It moves in ways we can't predict."

【译文】宰相应从基层官员提拔，猛将须从士兵中成长。

对称性不仅是自然的一种属性，而且是寻找物理定律的指导原则。

Positive psychology is not just about feeling good, it's about the good life - a life with engagement, meaning, and positive relationships.

对所有生物的爱，是人类最高贵的品质。