I definitely challenge people. But hopefully, I am working harder than anybody else, and so people won't resent the fact that I want them to work hard, as well.

Critics play a dangerous game when they denounce the science and law EPA has used to defend clean air for more than 40 years. The American people know better.

The climate change is real today, but also the solutions that we have available to us that are cost-effective and beneficial to everyone are at our disposal now.

Climate change is the greatest threat of our time.

But I will tell you that I didn't go to Washington to sit around and wait for Congressional action. Never done that before, and don't plan to in the future.

Greenhouse gas pollution, through its contribution to global climate change, presents a significant threat to Americans health and to the environment upon which our economy and security depends.

I love disagreements. I love the democratic process. If I'm in a room where everybody agrees, I start to nod off.

When discussing overall impacts on employment, it is important not to overlook the new technologies and industries that can be driven by pollution control standards.

I cannot shy away from controversy. I don't know if it's my Irish blood, but I love it.

States with tremendous oil and natural gas reserves have the most to gain economically from proper regulation.

There is no threshold level of fine particle pollution below which health risk reductions are not achieved by reduced exposure.

Do not lose heart.

Mindfulness could also be described as "heartfulness" because it is really about a compassionate awareness.

Self-confidence. Let's fight the demon that makes you look smaller than you truly are.

For every runner who tours the world running marathons, there are thousands who run to hear the leaves and listen to the rain, and look to the day when it is suddenly as easy as a bird in flight.

Security is not a license for people in authority to hide tactics they would never openly admit to using.

I think a lot of people have an idea of virtual reality from science fiction, books and movies that have been out over the last couple of decades.

The Queen is dead and gone. Well, at least she's gone... for now. Long live Alice! Long live Wonderland.

Something that just came out of me. It was a bit of mischief.

I write autobiographically, although I apply liberal amounts of poetic license.

Spend time cultivating your deepest desires, no matter how impractical or impossible they seem. It's perfectly OK to want the impossible. It's not OK to pretend that your desires don't matter.