What Einstein was able to do was - to use a cliche - think out of the box.

Smart people are a dime a dozen. What matters is the ability to think different... to think out of the box.

And if you don't have your ears open, you're not going to be able to figure out what you should be doing.

When you write biographies, whether it's about Ben Franklin or Einstein, you discover something amazing: They are human.

I actually think Bill Gates is conventionally smarter, even though it's a dumb word, but mental processing power - I've watched him use four different screens, process information, get to the right answer, boom boom boom.

One way to remember who you are is to remember who your heroes are.