We will cease to be so angry once we cease to be so hopeful.
最伟大的真理是最简单的，最伟大的人也是如此。
Leaders must be willing to take risks if they want to create meaningful change.
We don't inherit the earth from our ancestors; we borrow it from our children.
我不想成为冠军。我想成为挑战者。
The best leaders are those who serve others.