The walls between old allies on either side of the Atlantic cannot stand. The walls between the countries with the most and those with the least cannot stand. The walls between races and tribes; natives and immigrants; Christian and Muslim and Jew cannot stand. These now are the walls we must tear down. We know they have fallen before.

My hope is that's something [Donald Trump] is thinking about, because not only is the president of the United States somebody that the entire country looks to for direction but sets the agenda internationally in a lot of ways.

I think if you look at almost every year under every president over the last, I don't know, 20, 30 years, you're going to be hard-pressed to find a year in which the majority of Americans thought we were on the right track.

The people of the United Kingdom have spoken, and we respect their decision. The special relationship between the United States and the United Kingdom is enduring, and the United Kingdom's membership in Nato remains a vital cornerstone of US foreign, security and economic policy.

When our interests and values are at stake, we have a responsibility to act.

What is true is [Bashar] Assad got rid of his chemical weapons.

America's not just [about] looking out for yourself, it's not just about greed, it's not just about trying to climb to the very top and keep everybody else down. ... Hard work, that's a value. Looking out for one another, that's a value. The idea that we're all in it together and [that] I'm my brother's keeper and [my] sister's keeper, that's a value.