We've clearly seen that Tea Party Republicans are willing to take our economy hostage just to score political points, but I'm not willing to do that.

When it comes to renewable energy, there's no reason America should settle for second best.

Americans increasingly understand that clean energy is more than just an environmental issue. It is crucial to reducing our dangerous dependence on foreign countries.

All policies should be guided by science, not just whose voice is the loudest.

I returned from the West, and brought home in my nostrils and nerves that benumbing lethargy, imprudent hostility, and arrogant superiority with which the West viewed the fate of Eastern Europe.

Our abilities and possibilities are at one and the same time very limited and quite infinite dependent on the depth of our relationship to our 'self', others and life itself.

The way to write is to throw your body at the mark when all your arrows are spent.

Being tired isn't the same as being rich, but most times it's close enough.

Don't scrutinize people with a microscope; view them from a comfortable distance. And allow some room for compassion in the space the lies between you.

I'm thinking only of my illness and my health, though both, the first as well as the second, are you.

It is a sure sign that a culture has reached a dead end when it is no longer intrigued by its myths.

Any effect, constant, theorem or equation named after Professor X was first discovered by Professor Y , for some value of Y not equal to X.

I will close my eyes and leap.

We kept on racing, doing something that Luis [Salom] loved. Fortunately or unfortunately, life goes on.