“ I think self-discipline is something, it's like a muscle. The more you exercise it, the stronger it gets. Daniel Goldstein Psychologist
“ I was 15, and the years of hard swimming had packed muscle on my frame and made me very strong. Not as strong as a football player, but strong enough to inflict heavy damage. Esther Williams Swimmer
“ But actually just yesterday we raised the key of one of my songs two steps up, so my voice is obviously responding. It's a muscle, and the more you use it, the more you use it right, the more you should get out of it. So yes, I sing. Harvey Fierstein Actor
“ They thought that athletes that worked out with my system wouldn't be able to throw a ball because they'd be too muscle bound. Those are the misconceptions I had to go through for about 40 years. Jack Lalanne Television Show Host
“ I like when a guy wears a T-shirt, and you can see a little curve of the muscle sticking out. That's sexy! Jennifer Morrison Actress