成为英雄的最大障碍是怀疑自己是否会证明自己是个傻瓜；真正的英雄主义是抵抗这种怀疑；最深刻的智慧是知道何时应该抵抗，何时应该服从。
The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.
智力是当你不确定该做什么时所使用的东西。
The most important thing you can do to achieve your goals is to make sure that as soon as you set them, you immediately begin to create momentum.
I only hope that we never lose sight of one thing - that it was all started by a mouse.
我们始终坚持以用户为中心，不断优化产品和服务。