"I am in show business. I don't, for a minute, ever forget that this is a business that I'm involved in, and it plays by business' rules."

“Once a film is finished, it's over for me. I'm on to something else.”

“You know you are getting old when all the names in your black book have MD after them.”

“I don't think I have something that's pronounceable as a philosophy. ... When it was fashionable to say, "May the Force be with you," I always said, "Force yourself." ... I'll say again then, "The Force is within you. Force yourself.”

“There have been times in my life when I have felt I was lonely, but I don't think you want to live your life in order to mitigate against loneliness." - from People magazine”

“The studio guy told me, "Kid, you have no future in this business." I said, "Why?" He said, "When Tony Curtis first walked onscreen carrying a bag of groceries -- a bag of groceries! -- you took one look at him and said, 'THAT'S a movie star!'" I said, "Weren't you supposed to say, 'That's a grocery delivery boy?'”

“: "My playing Indy was mentioned to me about only six weeks before shooting started, but being second choice wasn't at all offensive. I would always assume that it would be normal for a director - once having worked with an actor in a particular part - not to think of him for something else. I'd presume that he'd want to accentuate the difference between the two characters by having another actor. I was more than happy when they did ask me to play Indiana Jones, because it promised to be a terrific role in a great film.”