Your attitude is contagious.

One of our first customers asked me how big we want to be. I said I want to be really big. Later, it bothered me that I answered that way. Now I say I just want to be a great company.

Brand is not a product, that's for sure; it's not one item. It's an idea, it's a theory, it's a meaning, it's how you carry yourself. It's aspirational, it's inspirational.

I wake up in the morning and I think about one brand. I don't have enough time to wake up twice and think about two.

Motivation, passion, and focus have to come from the top.

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?'

I'm a big advocate of the power of positive thinking, particularly for small businesses.

The sports apparel industry was dominated by the big shoe companies. But there was a void in apparel and I decided to fill it.

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

All we're trying to do is change how people think about fitness. And build Under Armour into the biggest brand in the entire land.

Where can we take no the product, but the idea?

You never cease to be unique.

If only we'd stop trying to be happy, we could have a pretty good time.

He could not shake the feeling - reportedly common among ghosts - that it was not he but those he haunted whose lives were devoid of matter, sense, future.

You’d be surprised who will back down when you speak up.

I feel like a lot of my past career was going to film school, making a lot of different kinds of movies. I made a bunch of comedies, I made one drama and I made a couple musicals.

I had people in my life who were insane and negative, but they taught me how not to be, how I didn't want to end up.

I've lectured at the Harvard Business School several times.

There's nothing funny about, 'Yeah, I took a First Class plane ticket and I went to some designer beach and made out with a Laotian slave girl.' Who cares?

The person who is worthiest to live, is fittest to die.

There will always be plenty of things to compute in the detailed affairs of millions of people doing complicated things.