I want to reduce America's deficit by cutting spending that we don't need but also by asking the wealthy to do a little bit more so that we can invest in things like research and technology that are the key to a 21st century economy.

Peace is not just the absence of war. True peace depends upon creating the opportunity that makes life worth living. And to do that, we must confront the common enemies of human beings: nuclear weapons and poverty; ignorance and disease.

Nature is actually resilient, if we take care to just stop actively destroying it.

We don't believe in a small America. We believe in a big America - a tolerant America, a just America, an equal America - that values the service of every patriot.

America, our endless blessings bestow an enduring burden. But as Americans, we welcome our responsibility to lead.

I think that people are born with a certain makeup, and that we're all children of God.

Some may still deny the overwhelming judgment of science, but none can avoid the devastating impact of raging fires, and crippling drought, and more powerful storms.