As foreign as it would be for you to go running in regular shoes, I want it to be just as foreign for you not to work out in your Under Armour.

There's an entrepreneur right now, scared to death, making excuses, saying, 'It's not the right time just yet.' There's no such thing as a good time. I started an apparel-manufacturing business in the tech-boom years. I mean, come on. Get out of your garage and go take a chance, and start your business.

Any self-respecting entrepreneur has borrowed money from their mother at some point.

When you see most companies get big, they want to shout about all they've done. But the consumer wants to know: 'What have you done for me lately?'

Best merchants are the ones who dictate cool, not those who try to predict it!

Great brands are like great stories. And every story has a beginning, a middle, and an end. And our job is to make sure that every chapter of our stories makes sense to the one in front of it and make sense to the one after it. There is no such thing as an overnight success. You have to get up and put your work boots on every single day.

My love of horses began in College Park, with me and 10 friends on two couches and a keg of beer in the back of a truck, heading to Pimlico at 6 A.M. to mark our place in the middle of the Preakness infield, where we never saw a horse run.