人类有一件真正有效的武器，那就是笑声。
The human race has one really effective weapon, and that is laughter.
We change our behavior when the pain of staying the same becomes greater than the pain of changing. Consequences give us the pain that motivates us to change.
"Mathematics is the science of patterns, and we study them to learn how to think logically, critically, and creatively."
阅读是不动的旅行，是在一生中活出千种生活。
一个故事可以改变世界，一次一个读者。
Quality should never be compromised—every pill we produce represents a patient’s hope.