The map isn't always the territory, and you have to kind of walk through it to get a feel for it.

I just want people to know the facts and science and the information... measles is preventable.

The strongest democracies flourish from frequent and lively debate, but they endure when people of every background and belief find a way to set aside smaller differences in service of a greater purpose.

We cannot have a society, in which some dictator some place can start imposing censorship here in the United States.

Fighting for what you think is right is always worth it.

We've got to make sure that teachers are respected, that they are rewarded, that young people like yourself who have talent and want to work with people, that you're able to support yourself and live out a great life being a teacher.

America must always lead on the world stage.