www.youtube.com/watch?v=VwZi58u1FjI - The Dragon Speech All the higher mammals learn by playing, by doing, by interacting. And indeed, the higher the mammal, the more of its life it spends in play to prepare itself for adulthood. So you can see, this active role of the mind is fundamental to the way we think. It’s wired into our brains. It’s a really great speech, and a lot of it is about the failures of our educational system.