The barrier to change is not too little caring; it is too much complexity. To turn caring into action, we need to see a problem, see a solution, and see the impact. But complexity blocks all three steps.

Married life is a simpler life. Who I spend my time with is established in advance.

The most impactful dollars that Australia can spend are actually what goes to help the poorest.

Really advanced civilization is based on advances in energy.

The most amazing philanthropists are people who are actually making a significant sacrifice.

India has over 20 percent of the kids born in the world. And they move around a lot.

What are the top 20 universities in the world that do good materials research that might create carbon fibers to do jet stream kites or new magnets that will allow [energy] generation to be done up there and you just bring the electricity down. You either have to bring down rotational energy, which is hard, or you have to have the generator up there and bring down the electricity. Well, putting the generator up there is hard to do because it's too heavy.