Meat is a tremendous environmental challenge. It contributes enormous amounts of greenhouse gas, especially beef eating.

We could have a greener economy, even a greener consumer economy by changing the rules - whether it's by taxing carbon or trading carbon, I'm not sure what - but in the end there's just a fundamental problem with the sheer amount we're consuming.

Unlike any other form of thought, daydreaming is its own reward.

But that's the challenge -- to change the system more than it changes you.

A growing and increasingly influential movement of philosophers, ethicists, law professors and activists are convinced that the great moral struggle of our time will be for the rights of animals.

Eat with consciousness. When you eat with consciousness, and you know what you're eating, and you eat it in full appreciation of what it is, it's enormously satisfying.

...forgetting is vastly underrated as a mental operation.