It is often when night looks darkest, it is often before the fever breaks that one senses the gathering momentum for change; when one feels that resurrection of hope in the midst of despair and apathy.

It is, from my perspective, less important today looking backwards as to why these militants decided they did it than to find them and bring them to justice, and then maybe we'll figure out what was going on in the meantime.

I think we can compete with high-wage countries, and I believe we should. New jobs and clean energy, not only to fight climate change, which is a serious problem, but to create new opportunities and new businesses.

I have never lost faith in America's essential goodness and greatness.

We are at a stage in history in which remolding society is one of the great challenges facing all of us in the West.

People sometimes ask me, "You're still in a primary - why are you criticizing [Donald] Trump?" It's because I don't want what he's saying to stand unanswered.

Let's stand up for taxpayers, let's stand up for consumers, and let's stand up for small businesses, which create most of the jobs in America.