America has an important role to play as the world leader in creating a global order, free trade, free waterways, free commerce, free movement of people. That happens because of U.S. military might.

The daily activity that contributes most to happiness is having dinner with friends. The daily activity that detracts most from happiness is commuting. Eat more. Commute less.

When you're running for president you have to take some risks and you've got to show people something fresh and you've got to stay interesting.

Almost every successful person begins with two beliefs: the future can be better than the present, and I have the power to make it so.

It's the rising tide of enmity in the country, Donald Trump attacking judges, Donald Trump attacking John McCain, Senator [Richard] Blumenthal, the town halls, the riots in Berkeley. You have got the incivility on the floor of the United States Senate. You have got just a rising tide, every single story.

We are primarily the products of thinking that happens below the level of awareness.

It's always dangerous to overinterpret what Donald Trump says at any one moment.