The UN is committed to the goal of ensuring that all nations share in economic, social, & scientific progress. It delivers humanitarian assistance to the victims of wars and natural disasters.

When you're not practicing, someone somewhere is. And when the two of you meet, assuming roughly equal ability, the other person will win.

A lot of people want to change the world, but only a few people want to change themselves. When it comes to the issue of race in America, we have to do both.

Ambition is the path to success. Persistence is the vehicle you arrive in.

We have to repair that trust ... I think anytime a public official lies, he undermines his own authority and squanders the public trust.

Leadership is not something that is done to people, like fixing your teeth. Leadership is unlocking people's potential to become better.

The taste of defeat has a richness of experience all its own.