Human beings are definitely changing the planet, but how much impact they are having on climate, I don't know and I don't care.

It's kind of a crazy thing to decide that you're going to be worth tens and tens and tens of millions of dollars and set out to do that. It doesn't suit everybody.

Very, very few entrepreneurs who accept a 51 percent partner in a new venture will get rich if they are also expected to run it. Control is mandatory.

The belief that you have a great idea is not worth cuckoo spit. Ideas are ten a penny while the ability to execute counts for a great deal more.

Fear not. For fear itself is fed by fear, and all fears pass. Did no one tell you so? Come take my hand, my friend, and we will peer into this fear's abyss. And jump! And know.

I love the business of business; I love the risk raking.

As with the onset of sudden celebrity, for the newly rich, the world often becomes a darker, narrower, less generous place; a paradox that elicits scant sympathy, but is nonetheless true.