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

There will be statues of Bill Gates across the Third World. There's a reasonable shot that - because of his money - we will cure malaria.

We learn by example and by direct experience because there are real limits to the adequacy of verbal instruction.

Where they come from matters. They're products of particular places and environments.

The key to good decision making is not knowledge... It's whether our work fulfills us.

Did they know why they knew? Not at all. But the Knew!

There are exceptional people out there who are capable of starting epidemics. All you have to do is find them.