We buy a bottle of water in the city, where clean water comes out in its taps. You know, back in 1965, if someone said to the average person, You know in thirty years you are going to buy water in plastic bottles and pay more for that water than for gasoline? Everybody would look at you like youre completely out of your mind.

I can't think of a greater legacy than, "Because you lived, another species survived."

In the great scheme of things, what matters is not how long you live but why you live, what you stand for and what you are willing to die for.

Earthworms are far more valuable than people.

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.

I can assure you no whales are going to be killed today.

A vegan riding a hummer contributes less to greenhouse gas emissions than a meat eater riding a bicycle.