Forget about finding your passion. Instead, focus on finding big problems.

If given a choice between investing in someone who has read REWORK or has an MBA, I’m investing in REWORK every time. A must read for every entrepreneur.

Just watch. Pigs get fat, hogs get slaughtered. When you try to take it too far, people turn the other way. I'm just telling you, when you've got a good thing and you get greedy, it always, always, always, always, always turns on you. That's rule No. 1 of business.

Perfectionism is the enemy of profitability.

Sweat equity is the most valuable equity there is. Know your business and industry better than anyone else in the world. Love what you do or don't do it.

I never look at the glass as half empty or half full. I look to see who is pouring the water and deal with them.

I think the NFL is 10 years away from an implosion.