The only limit to our realization of tomorrow is our doubts of today.

I can never be safe; I always try and go against the grain. As soon as I accomplish one thing, I just set a higher goal. That’s how I’ve gotten to where I am.

真正的发现之旅不在于寻找新的风景，而在于拥有新的眼光。

我不会让我的国家失望。

活着就是选择，而每个选择都有其后果。