The real person you are is revealed in the moments when you're certain no other person is watching. When no one is watching, you are driven by what you expect of yourself. You're not attempting to impress anyone. You're not putting on a show. You're expressing your true nature.
The foundation of success is built in the moments when no one else is watching. If your efforts are only made for appearance, they will fall short. When you make the effort even though no one else is keeping track, that's a sure path to achievement.
What do you do when no one is watching? You can't keep any secrets from yourself. Success is built in the moments when you're truly free to be you. Make those moments count. Being a real winner is much better than just trying to look like one.