每个地方都有自己的节奏，自己标记时间的方式。
Every place has its own rhythm, its own way of marking time.
Never let your sense of morals prevent you from doing what is right.
过去是幽灵，未来是梦想，我们拥有的只有现在。
聪明好学，不以向地位低下的人请教为耻，所以称他为“文”。
每一种化学结合完全且仅仅依赖于两种对立的力量，即正电和负电。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.