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From the lowest animals of which we can affirm intelligence up to man this type of intellect is found.

Animals are certainly more sophisticated than we used to think. And we shouldn't lump together animals as a group. Crows and chimps and dogs are all highly intelligent in very different ways.

Most of the intelligence out there must be artificial intelligence. We keep looking for critters like us living on a planet like ours, where in fact the majority of the intelligence out there is not biological. That would be my argument.

Perhaps measuring animal intelligence by comparing it to human intelligence isn't the best litmus test.

With land-roaming animals, I've just read so much about the sophistication of their emotional lives and their intelligence and the way they process information that betrays a greater intelligence.

Humans are very imaginative animals.

We live in worlds that we have forged and composed. It's much more true than any of the species that you see. I mean, it seems to me that one of the most distinctive features of human intelligence is the capacity to imagine, to project out of our own immediate circumstances and to bring to mind things that aren't present here and now.

We are animals, born from the land with the other species. Since we've been living in cities, we've become more and more stupid, not smarter. What made us survive all these hundreds of thousands of years is our spirituality; the link to our land.

One of the things we found out as we filmed with people who dealt with chimps, and with all animals, and it's really incredible, is their levels of intelligence that we don't recognize right away.

The intelligence of the lower forms of animal life, like a great deal of human intelligence, does not involve a self.