If you took the profit out of war, there would be no war. What the hell do you think war is? You think we go to another country to bring democracy? We go there 'cause there's oil, resources or something we need.

We have to learn how scientists arrive at decisions. Once you use the scientific method, it doesn't mean that your decisions will be perfect. They'll be far more accurate than just opinions.

Money is only important in a society when certain resources for survival must be rationed and the people accept money as an exchange medium for the scarce resources. Money is a social convention, an agreement if you will. It is neither a natural resource nor does it represent one. It is not necessary for survival unless we have been conditioned to accept it as such.

We must stop constantly fighting for human rights and equal justice in an unjust system, and start building a society where equal rights are an integral part of the design.

Our customs, behaviors, and values are byproducts of our culture.

We don't know how to live together on Earth, how the hell are we going to live together on Mars?

It’s your own expectations that hurt you. Not the world you live in. Whatever happens in the world is real. What you think should happen is unreal. So people are hurt by their expectations. You know , you’re not disappointed by the world, you are disappointed by your own projections.