When you live for others' opinions, you are dead.
Every mathematical theorem is a story waiting to be told, a mystery waiting to be unraveled.
La vida es una novela que cada uno escribe con sus propias decisiones.
"To travel is to discover that everyone is wrong about other countries."
当没有人相信你的时候，你必须相信自己。
做出伟大工作的唯一方法就是热爱你所做的事。