Well, what Cory Booker and John Lewis are right about is to talk about the racist past of Donald Trump.

We have so many issues today that we need to confront. Comprehensive immigration reform. We have to solve the issue of poverty, the issue of hunger, the issue of war - spending billions of dollars to kill rather than to build. We have to deal with the fact that all of our children should be receiving the best possible education.

Be prepared to organize nonviolent workshops - a teach-in around what is happening in America today. Organize your teachers and schoolmates, and be prepared to engage in some action.

Young people can understand, and must understand, that we had success, we had failures, but we never gave up. We never gave in. We never became bitter. We didn't hate. We continued to press on. And that's what we're saying: There are some ups, there are some downs, and when you're not down, you must have the capacity and the ability to get up and keep going.

It is my hope that people today will see that, in another time, in another period, when we saw the need for people to speak up, to organize, to mobilize, and to do something about injustice, we came together.

I've said it in the past and I'll say it again today: the vote is precious; it's almost sacred.

I met Rosa Parks when I was 17. I met Dr. [Martin Luther] King when I was 18. These two individuals inspired me to find a way to get in the way, to get in trouble. So I got in good trouble, necessary trouble.