We know we can't stop every act of violence, every act of evil in the world, but maybe we could try to stop one act of evil, one act of violence.

I hope that this [hacking] does not continue to be viewed purely through a partisan lens.I think there are Republicans as well as Democrats who are concerned about this.

I was a constitutional law professor, which means unlike the current president I actually respect the Constitution.

I think there are hard-liners inside of Iran that think it is the right thing to do to oppose us, to seek to destroy Israel, to cause havoc in places like Syria or Yemen or Lebanon, if they don't change at all, we're still better off having the deal.

We've got to control our own energy. Now, not only oil and natural gas, which we've been investing in; but also, we've got to make sure we're building the energy source of the future, not just thinking about next year, but ten years from now, 20 years from now. That's why we've invested in solar and wind and biofuels, energy efficient cars.

One voice can change a room, and if one voice can change a room, then it can change a city, and if it can change a city, it can change a state, and if it change a state, it can change a nation, and if it can change a nation, it can change the world. Your voice can change the world.

Love and hope can conquer hate.