If you don't know an answer, a fact, a statistic - make it up on the spot.

There's nothing wrong with being a terrorist, as long as you win. Then you write history.

Everybody is a hypocrite. You can't live on this planet without being a hypocrite.

We need to radically and intelligently reduce human populations to fewer than one billion. We need to eliminate nationalism and tribalism and become Earthlings. And as Earthlings, we need to recognize that all the other species that live on this planet are also fellow citizens and also Earthlings. This is a planet of incredible diversity of life-forms; it is not a planet of one species as many of us believe.

Musicians have the power to influence people and along with movie makers, they can reach and influence more people than any group of people, more than scientists and certainly more than politicians.

Who should have children? Those who are responsible and completely dedicated to the responsibility which is actually a very small percentage of humans. Being a parent should be a career. Whereas some people are engineers, musicians, or lawyers, others with the desire and the skills can be fathers and mothers. Schools can be eliminated if the professional parent is also the educator of the child.

Intelligence is the ability of a species to live in harmony with its environment.