Just the fact that we can't pass budgets in our Congress, just the fact that we are gridlocked in our own democracy, the fact that everybody who travels can see that we're not investing in our airports, in our rail, in our infrastructure and so forth, people are noticing a United States that is not getting the job done in some ways.

America is the most powerful economy in the world. We're an $18-trillion-dollar economy.

If America is at war, I won't speak a word without measuring how it'll sound to the guys doing the fighting when they're listening to their radios in the desert.

America is the one that leads the effort to make sure the freedom of navigation in the South China Sea is protected.

Three-quarters of [Bashar Assad] country is displaced. It's in Jordan, it's in Lebanon, it's in Turkey, and in the desert. The threat is that those people in the desert and others could become the next acolytes of ISIL if we don't find a way to join together to go after ISIL.

You just don't in the 21st century behave in 19th century fashion by invading another country on completely trumped up pre-text.

You might not see climate change as an immediate threat to your job, your community, or your families," Kerry said. "But let me tell you, it is." He continued, "climate change is directly related to the potential of greater conflict and greater instability. I'm telling you that there are people in parts of the world - in Africa today, they fight each other over water. They kill each over it. And if glaciers are melting and there's less water available and more people, that is a challenge we have to face.