We can build a collective civic space large enough for all our separate identities, that we can be E Pluribus Unum - Out of One, Many.

As important as it is to change the light bulbs, its more important to change the laws

Politics has become a game of meaningless, mindless battles, conducted by unscrupulous methods and people, designed to transform even the most serious policy debates into sport.

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.

When you're going through an emotional experience and you're focussed completely on what's happening, you can't even spare any attention that the camera's there.

As many know, the Chinese expression for "crisis" consists of two characters side by side. The first is the symbol for "danger," the second the symbol for "opportunity."

We face a climate crisis now that is the most serious challenge our civilization has ever confronted. And the greatest country in the world [America] has to remain a part of this unprecedented global agreement to deal with it.