Education is transformational. It changes lives. That is why people work so hard to become educated and why education has always been the key to the American Dream, the force that erases arbitrary divisions of race and class and culture and unlocks every person's God-given potential.

The first step for a leader is to be right with yourself. Integrity is the basis of leadership.

I use the word power broadly. Even more important than military and economic power is the power of ideas, the power of compassion, and the power of hope.

Everywhere that I go in the world, people desperately look to American leadership in all of their world's most difficult problems. You can look at any region of the world and the United States is still the country to which those regions look for leadership.

If you're always in the company of people who agree with you, you're going to think of people who don't agree with you as venal or stupid. I constantly tell my students that if they're in the company of people who always say "amen" to what you say, find other company. And that is the source of illiberalism, when you are unable to listen to someone who thinks differently. That's when democracies are in trouble.

I've speculated about what my life might have been like as a musician, but I'm afraid I came to the conclusion that I probably would've either been teaching piano or maybe gotten to play at Nordstrom's department store.

Every life is worthy and every life is capable of greatness. We have an obligation to make sure that opportunity for greatness is there.