War should always be the absolute last resort.

We spent $100 billion on education, saving the education system 300,000 teachers who were laid off because of the recession. We also put tens of thousands of lower income kids in college through Pell grants which has fundamentally all their opportunity. We did the same thing with regard to what we did on transportation. So we weren't just trying to - we knew we had to do something big to keep us from going over the cliff into a depression and pull us out of hole.

Almost every great innovation was [created] by government.

I must express my protest against continually increasing the debt without taking positive steps to slow its growth.

Well, you know, my shotgun will do better for you than your AR-15, because you want to keep someone away from your house, just fire the shotgun through the door.

I think it is very possible he [Donald Trump] could be nominated and depending on how this all plays out, I would take him seriously in terms of being able to win because he's appealing to a very, very - he's appealing to fear.

America is the promised land, because each generation bequeathed to its children a promise, a promise that they might not come to enjoy but which they fully expected their offspring to fulfill. So the words 'all men are created equal' took a life of its own, ultimately destined to end slavery and enfranchise women. And the words 'equal protection' and 'due process' inevitably led to the end of the words 'separate but equal,' ensuring that the walls of segregation would crumble, whether at the lunch counter or at the voting booth.