If you don't go through the tough times, you don't get to the good times.
如果你不经历艰难时刻,你就无法到达美好的时光。
死亡不算什么,但每天生活在失败和没有荣耀中就是每天都在死去。
做伟大工作的唯一方法是热爱你所做的事。
The true test of a mathematical idea is its ability to inspire further questions.