Physically, I feel probably as good as I've ever felt. And I've got as much energy as I ever did. But what you feel after eight years - and I think you'd feel this no matter what, but anytime you have a big transition, it gets magnified - is time passes.

What drags down our entire economy is when there's an ever-widening chasm between the ultra-rich and everybody else.

When your team loses, everybody gets deflated. And it's hard, and it's challenging.

By 2016, the people who had looked to [Barack] Obama for change were looking somewhere else.

Iran has agreed to deepen our coordination as we work to locate Robert Levinson, missing from Iran for more than eight years. Even as we rejoice in the safe return of others, we will never forget about Bob. Each and every day our hearts are with the Levinson family, and we will not rest until their family is whole again.

We as a country have to do some soul-searching.

Focusing your life solely on making a buck shows a certain poverty of ambition. It asks too little of yourself. Because it's only when you hitch your wagon to something larger than yourself that you realize your true potential.