Don't solicit feedback on your product, idea or your business just for validation purposes. You want to tell the people who can help move your idea forward, but if you're just looking to your friend, co-worker, husband or wife for validation, be careful. It can stop a lot of multimillion-dollar ideas in their tracks in the beginning.

Don't let what you don't know scare you, because it can become your greatest asset.

I think failure is nothing more than life's way of nudging you that you are off course. My attitude to failure is not attached to outcome, but in not trying. It is liberating. Most people attach failure to something not working out or how people perceive you. This way, it is about answering to yourself.

I'd never worked in fashion or retail. I just needed an undergarment that didn't exist.

I started thinking about joy. Everything in our society is so purposeful. Let's bring joy back to the experience.

Don't be intimidated by what you don't know.

Within the first year of launching my company, Spanx, I decided to go over to England and cold-call Harrods, Harvey Nichols, and Selfridges the same way I had cold-called Neiman Marcus, Saks, Nordstrom, and Bloomingdale's here in the United States.