“We know that he has stored secret supplies of biological and chemical weapons throughout his country.”

Making consumer choices that reward eco-friendly products and companies is a great way to start.

Our new technologies, combined with our numbers, have made us, collectively, a force of nature.

When it comes to climate, we can all make a big difference.

Civil disobedience has an honourable history, and when the urgency and moral clarity cross a certain threshold, then I think that civil disobedience is quite understandable, and it has a role to play.

The will to act is a renewable resource.

The struggle to save the global environment is in one way much more difficult than the struggle to vanquish Hitler, for this time the war is with ourselves. We are the enemy, just as we have only ourselves as allies.

We can believe in the future and work to achieve it and preserve it, or we can whirl blindly on, behaving as if one day there will be no children to inherit our legacy. The choice is ours; the earth is in balance.

Consider what kind of car you get. Buy cars and other products that have the least impact environmentally.

I have always been fascinated with those who try to look over the horizon and see things that are coming at us.

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.

Our world faces a true planetary emergency. I know the phrase sounds shrill, and I know it’s a challenge to the moral imagination.

A zebra does not change its spots.

In a time of darkness, you don’t curse the darkness, you light a candle.

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

We are running out of time, we must have a planetary solution to a planetary crisis.

I strongly believe in the separation of church and state. But freedom of religion does not mean freedom from religion, there is a better way.

Not biology, but ignorance of ourselves, has been the key to our powerlessness

The origins of violence against women by men are not biological. If that were the case, it would exist in every culture. And it doesn’t exist in every culture.

You have to understand your own personal DNA. Don’t do things because I do them or Steve Jobs or Mark Cuban tried it. You need to know your personal brand and stay true to it.

Biologists must constantly keep in mind that what they see was not designed, but rather evolved.

Your biography becomes your biology. This biography includes the totality of your choices, the things you feed your body – you thoughts, your actions, your food – the thing you feed your life.

Being of service is not an option, it is a biological necessity. Every kind of action we do for someone is a reanimation of our own life force – and of the other person’s.

Common stock investors can make money by predicting the outcomes of practice evolution. You can’t derive this by fundamental analysis – you must think biologically.

My mother is a realist, and she’s had biological and adoptive children, and she said it’s no different: No matter what, they’re putting a stranger into your arms. You don’t know them yet.