What I said to Donald Trump was that what may work in generating enthusiasm or passion during elections may be different than what will work in terms of unifying the country and gaining the trust even of those who didn't support him.

I've enjoyed the conversations that we've had. [Donald Trump] is somebody who I think is not lacking in confidence.

His peaceful resistance shook the foundations of an empire, exposed the emptiness of a repressive ideology, and proved that moral leadership is more powerful than any weapon.

Americans coming home, an Iran that has rolled back its nuclear program and accepted unprecedented monitoring of the program -these things are a reminder of what we can achieve when we lead with strength and with wisdom, with courage and resolve and patience. America can do and has done big things when we work together.

Literacy is the most basic currency of the knowledge economy.

My second piece of advice is to stay global. As the world continues to change and we become more connected to each other, globalization will bring both benefits and disruptions to our lives. But either way, it's here, and it's not going away.

I don't take a dime of their [lobbyist] money, and when I am president, they won't find a job in my White House.