那些疯狂到认为自己能改变世界的人，才能真正改变世界。
The people who are crazy enough to think they can change the world are the ones who do.
我们读书是为了发现自己是谁。
The true man wants two things: danger and play. For that reason he wants woman, as the most dangerous plaything.
The beauty of mathematics lies in its ability to describe the universe in a language that is both precise and universal.
每一次划水，每一次呼吸，每一刻都离你的目标更近一步。
——《在广州岭南学生欢迎会的演说》（1923年12月21日）