You know you're doing what you love when Sunday nights feel the same as Friday nights.

Every great business leader I've ever met, in addition to being very smart, very driven, they have this, 'Why not me? Screw it, I deserve it, let's go.' And if you don't have that, you can't achieve greatness.

When you see someone who has turned his passion into a profit, ask yourself, ‘Why not me?

And here's what management is: motivating people and putting them in places where they can succeed.

My philosophy is to always find the smartest people you can. Hire people smarter than you.

The failure-dichotomy principle: failure is good. Failure is not an option. Balance those in your brain.

I've always managed by walking around. Any CEO or leader who spends the majority of his time in his office is not doing his job.