Off-Topic: Wisdom from the wings of a theatre

"We're doing it for us." Those five words changed how I felt about acting in plays at theatres, and maybe about things in my wider life too. I overheard someone say them during rehearsals and to begin with, I didn't like what I heard. It sounded like someone saying, 'It doesn't really matter what the audience thinks because we're doing this for us, not them.' And it sounded like a cop-out.