When it's easy to make money, you have no incentive to think about development of talent.

The 10,000-hours rule says that if you look at any kind of cognitively complex field, from playing chess to being a neurosurgeon, we see this incredibly consistent pattern that you cannot be good at that unless you practice for 10,000 hours, which is roughly ten years, if you think about four hours a day.

Success is deeply rooted in time and place. You may have the drive to read tons of books on biology. But if there are no books on biology in your library, and the library is never open, your drive is meaningless.

Visionaries are limited by their visions.

We are approaching levels - if we're not beyond levels - of threshold for the number of messages that consumers can take in in a given day. There is a kind of hunger for some kind of new approach to getting the word out about something.

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

Look at the world around you. It may seem like an immovable, implacable place. It is not. With the slightest push - in just the right place - it can be tipped.