Too often, the opportunity knocks, but by the time you push back the chain, push back the bolt, unhook the two locks and shut off the burglar alarm, it's too late. Rita Coolidge
If you want to be an actor, you should just get out there and do it. I don't go for the approach of first getting photos and an agent. I think you should start with the work, and the other stuff will follow. As with 'opportunity knocks,' you have to be ready. Bill Nunn
Opportunity knocks only once. You never know if you'll get another opportunity. Leon Spinks
Opportunity knocks, but doesn't always answer to its name. Mason Cooley
I don't feel sorry for myself, because I'm living my dream. Even when I was a little boy I used to stand in the playground and pretend I was on 'Opportunity Knocks.' John Barrowman