These guys [Republicans] are the most crooked, you know, lying group I've ever seen.

I can tell you, Massachusetts, fastest growing sector of our economy is clean energy and energy efficiency companies. And they're growing faster than any other sector.

In order to have the best intelligence in the world to know who the terrorists are and where they are and what they're plotting, you've got to have the best cooperation you've ever had in the world.

We can't change minds without knowing what's in them.

I think the world is safer without Iran with a nuclear weapon. The world has got the potential to be safer if we fully implement the Paris agreement.

That's what I am standing up for - Israel's future as a Jewish and democratic state living side-by-side in peace and security with its neighbors.

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.