Cultural legacies are powerful forces. They have deep roots and long lives. They persist, generation after generation, virtually intact, even as the economic and social and demographic conditions that spawned them have vanished, and they play such a role in directing attitudes and behavior that we cannot make sense of our world without them.

Every cop will tell you that their real job is being a social worker. That's what they do all day. The large majority of police officers in this country never even draw their gun, let alone fire it. They do conflict resolution, right? And if that's their job, why do they need to look like they're an occupying force?

I worry that track is going to enter into an impossibly complicated stage, where our understanding of the complexities of human physiology - and our ability to accentuate and exploit them - is going to make the notion of pure competition impossible.

The tipping point is that magic moment when an idea, trend, or social behavior crosses a threshold, tips, and spreads like wildfire.

Instinct is the gift of experience. The first question you have to ask yourself is, 'On what basis am I making a judgment?' ... If you have no experience, then your instincts aren't any good.

There is more going on beneath the surface than we think, and more going on in little, finite moments of time than we would guess.

[Research] suggests that what we think of as free will is largely an illusion: much of the time, we are simply operating on automatic pilot, and the way we think and act – and how well we think and act on the spur of the moment – are a lot more susceptible to outside influences than we realize.