Each path to knowledge involves different rules and these rules are not interchangeable.

No other advanced nation endures this kind of violence. None. Here in America, the murder rate is three times what it is in other developed nations. The murder rate with guns is ten times what it is in other developed nations. And there's nothing inevitable about it. It comes about because of decisions we make or fail to make. And it falls upon us to make it different.

While freedom is a gift from God, it must be secured by his people here on earth.

It was into my father's image, the black man, son of Africa, that I'd packed all the attributes I sought in myself, the attributes of Martin and Malcolm, DuBois and Mandela.

We proved that we are still a people capable of doing big things and tackling our biggest challenges.

Our goal is to have a country that's not divided by race. And my impression, as I travel around the country, is that that's the kind of country that most people want, as well, and that we all have prejudice, we all have certain suspicions or stereotypes about people who are different from us, whether it's religious or racial or ethnic, but what I think I found in the American people, I think there's a core decency there, where if they take the time, if they get the time to know individuals, then they want to judge those individuals by their character.

Our intelligence communities spend a lot of time and effort gathering a lot of strands and a lot of data [on Russian hacking]. There are times where they're very cautious and they say, "We think this is what happened, but we're not certain."