I would say that when you have a big dream or you're trying to solve a big problem, there will always be people who tell you that you can't. Here's my advice: don't listen.

When I took on the drug companies and the insurance companies for universal health care coverage, they went after me with a vengeance.

No one should ever have to choose between paying the rent and filling their prescriptions.

Can't react every time you're insulted. Free people absorb destructive things and refuse to be destroyed

[Donald Trump] has really started his political activity based on this racist lie that our first black president was not an American citizen. There was absolutely no evidence for it, but he persisted, he persisted year after year, because some of his supporters, people that he was trying to bring into his fold, apparently believed it or wanted to believe it.

Relationships are at the core of any political system and economic system - any family - and I think we drifted away from understanding that in our country. The people-to-people level is critical. It is ironic, though - we can text with anybody in the world, we can have a videoconference with anybody in the world, but [there should be] an even higher premium on showing up and getting to know someone.

We've had Muslims in America since George Washington. And we've had many successful Muslims. We just lost a particular well-known one with Muhammad Ali.