But we're not humanity, we're just one culture - one culture out of hundreds of thousands that have lived their vision on this planet and sung their song. If it were humanity that needed changing, then we'd be out of luck. But it isn't humanity that needs changing, it's just...us.

Diversity is a survival factor for the community itself. A community of a hundred million species can survive anything short of total global catastrophe. Within that hundred million will be thousands that could survive a global temperature drop of twenty degrees—which would be a lot more devastating than it sounds. Within that hundred million will be thousands that could survive a global temperature rise of twenty degrees. But a community of a hundred species or a thousand species has almost no survival value at all.

....he began to speak to me, not in the jocular way of visitors to the menagerie but rather as one speaks to the wind or to the waves crashing on a beach, uttering that which must be said but which must not be heard by anyone.

And in spite of all the mastery we've attained, we don't have enough mastery to stop devastating the world, or to repair the devastation we've already wrought.

[Y]our agricultural revolution is not an event like the Trojan War, isolated in the distant past and without relevance to your lives today. The work begun by those neolithic farmers in the Near East has been carried forward from one generation to the next without a single break, right into the present moment. It's the foundation of your vast civilization today in exactly the same way that it was the foundation of the very first farming village.

If we continue...to consume the world until there's no more to consume, then there's going to come a day, sure as hell, when our children or their children or their children's children are going to look back on us - on you and me - and say to themselves, "My God, what kind of monsters were these people?"

Children don't need learning. They need access to what they want to learn outside the home.