....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.

The mythology of your culture hums in your ears so constantly that no one pays the slightest bit of attention to it. Of course man is conquering space and the atom and the deserts and the oceans and the elements. According to your mythology, this is what he was BORN to do.

Thinkers aren't limited by what they know, because they can always increase what they know. Rather they're limited by what puzzles them, because there's no way to become curious about something that doesn't puzzle you.

[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.

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.

There are times when having too much to say can be as dumbfounding as having too little.

Far and away the most futile admonition Christ ever offered was when he said, 'Have no care for tomorrow. Don't worry about whether you're going to have something to eat. Look at the birds of the air. They neither sow nor reap nor gather into barns, but God takes perfect care of them. Don't you think he'll do the same for you?' In our culture the overwhelming answer to that question is, 'Hell no!' Even the most dedicated monastics saw to their sowing and reaping and gathering into barns.