Healthy relationships are built on mutual respect, trust, and the ability to communicate openly and honestly.
The best way to predict the future of chemistry is to invent it.
身份高贵的人,不应该欺凌地位卑贱的人;腰缠万贯的人,不应该对穷人傲慢无礼。否则的话,他的荣华富贵就很难持久了。
并不存在一个自由美国和一个保守美国的区别 - 只有团结的美利坚合众国。
The beauty of mathematics lies in its ability to describe the universe in the most elegant way possible.