Try never to be the smartest person in the room. And if you are, I suggest you invite smarter people... or find a different room.

Whether you've found your calling, or if you're still searching, passion should be the fire that drives your life's work.

Wearable devices are here to stay, and they'll only get more sophisticated and effective as they evolve. Until now, most of us have made our health and fitness decisions based on what we think we know about ourselves. Advancements in technology - wearables and otherwise - will eventually take much of the guess work out of healthy living.

We've found that customers are very open. They'll tell you what's going on, what's working and what's not. They're looking for help.

It had always made sense to me to build a business based on what people really wanted, rather than guess what we thought they might want.

If we have 99% [market] share of Ford Company, the question to us is 'How do we improve the customer satisfaction in order to get that additional 1% share?

It's exciting to see how fast your kids learn and grow. I'm not too worried about them, particularly the ones who like to break rules and don't follow instructions; those are the ones that will do just fine because they know what's important to them.