When fear displaces reason, the result is often irrational hatred and division.

At some point, a false belief collides with physical reality.

The good news is, we have everything we need now to respond to the challenge of global warming. We have all the technologies we need, more are being developed.... But we should not wait, we cannot wait, we must not wait.

I think the ethical standards established in this White House have been the highest in the history of the White House.

Pollution should never be the price of prosperity.

As president, I will bring all the parties and stakeholders together. I am going to come up with a solution that respects the environment and does not cause an upheaval in the economy.

Our democracy, our constitutional framework is really a kind of software for harnessing the creativity and political imagination for all of our people. The American democratic system was an early political version of Napster.