没有风险的胜利，就没有荣耀的凯旋。
A vaincre sans peril, on triomphe sans gloire.
那些疯狂到认为自己可以改变世界的人，才是那些真正改变世界的人。
I'm not a hero, I'm not a villain, I'm just a man.
You have to believe in yourself when no one else does.
The deepest problems in mathematics often arise from the simplest questions.