At last, psychology gets serious about glee, fun, and happiness. Martin Seligman has given us a gift-a practical map for the perennial quest for a flourishing life.

The more time you put into practicing, then, the greater the payoff.

Scheduling down time as part of your routine is hard but worth it, personally, even professionally.

There are a host of surprises among longer-term meditators, like a boost in the immune system from a day of practice, which is not seen in beginners, and a rapid recovery from stress or pain. At the "Olympic level" we find there is no anticipatory anxiety when the stress of pain is certain to come, and no lingering aftereffects - unlike the stress reactions in ordinary folk.

The social brain is in its natural habitat when we're talking with someone face-to-face in real time.

Our brain comes hard-wired with an urge to play, one that hurls us into sociability. A child's play both demands and creates its own safe space, one in which she can confront threats, fears, and dangers, but always come through whole. Play offers a child a natural way to manage feared separations or abandonment, rendering them instead opportunities for mastery and self-discovery.

Self-absorption in all its forms kills empathy, let alone compassion. When we focus on ourselves, our world contracts as our problems and preoccupations loom large. But when we focus on others, our world expands. Our own problems drift to the periphery of the mind and so seem smaller, and we increase our capacity for connection - or compassionate action.