The scientific excitement in comparing theory with data, and developing some understanding of global changes that are occurring, is what makes all the other stuff worth it.

We're running out of time.

Imagine a giant asteroid on a direct collision course with Earth. That is the equivalent of what we face now with climate change, yet we dither.

We are on the precipice of climate system tipping points beyond which there is no redemption.

It would be immoral to leave young people with a climate system spiraling out of control.

Global warming has already triggered a sea level rise that could reach from 6 metres (19.69 ft) to 25 metres (27.34 yards).

What we are doing to the future of our children, and the other species on the planet, is a clear moral issue.

How long have we got? We have to stabilize emissions of carbon dioxide within a decade, or temperatures will warm by more than one degree... We don't have much time left.

What has become clear from the science is that we cannot burn all of the fossil fuels without creating a very different planet.

It's as certain that as long as fossil fuels are the cheapest energy, we will just keep burning them.

We have at most ten years—not ten years to decide upon action, but ten years to alter fundamentally the trajectory of global greenhouse emissions.

The secret to following God's will, I discovered, usually is wrapped up in rejecting the good for God's best.

Technology is the campfire around which we tell our stories.

My parents were both Spanish-speakers and they used to speak to me and my siblings in Spanish and we'd answer them in English.

I'm very wary with impressions - I don't think I'm very good at impressions, I hate doing them.

Dream big; at least you will have the joy of reaching for the stars instead of living in a box filled with unopened gifts.

Today the vacuum [of space] is not regarded as empty. It is a sea of dynamic energy, like the spray of foam near a turbulent waterfall.

It is chronic water shortage in the body that causes most diseases of the human body.

Art springs from life but it doesn't mean we have to be tyrannized by it.

When inspiration does not come to me, I go halfway to meet it.

A little water clears us of this deed.