The problem carbon is that everyone thinks we have an energy problem, we don't. We have plenty of energy. We have a carbon problem. Carbon is a material, so we have a material problem, not an energy problem.

If anybody here has trouble with the concept of design humility, reflect on this: It took us 5,000 years to put wheels on our luggage.

If you don't like carbon, if you want to be zero carbon, then you might as well shoot yourself, dry up and blow away because you are carbon.

If design is the first signal of human intention.

We celebrate the cherry tree not for its efficiency but for its effectiveness - and for its beauty. Its materials are in constant flow, and all those thousands of useless cherry blossoms look gorgeous. Then they fall to the ground and become soil again, so there's no problem

Carbon in your body - that's good thing. In a tree, it's good. In the atmosphere, it's a bad. Nature wants to sequester carbon in biota. And when we burn it, we release it. It's the wrong system.

How do we love all the children of all species for all time?