承诺最慎重的人是履行承诺最忠实的人。
The person who is slowest in making a promise is the most faithful in performance of it.
I've learned that it's okay to be vulnerable.
That's one small step for (a) man, one giant leap for mankind.
International politics is a brutal and unforgiving arena, where states constantly strive to maximize their power and security.
Simplicity is not the goal. It is the by-product of a good idea.