实现明天的唯一限制将是我们今天的疑虑。
The only limit to our realization of tomorrow will be our doubts of today.
当你为爱情而钓鱼时，要用你的心当作饵，而不是用你的脑筋。
把每一天当作生命的最后一天来活。
Never stop learning—the moment you do, you start falling behind.
The greatest theorems often arise from questioning the obvious.
Your time is limited， so don’t waste it living someone else’s life.