Science progresses one funeral at a time.
科学进步是以一次次的葬礼为代价的。
创新是任何领域成功的关键。
个人自由的探索精神是世界上最宝贵的东西。
We are what we pretend to be, so we must be careful about what we pretend to be.
The blood in the animal body is impelled in a circle, and is in a state of ceaseless motion.
【讲解】：聪明的人不会疑惑，实行仁德的人会忧愁，真正勇敢的人，不会畏惧。