An actor should be ready to play any role within reason. For example, I think the most ridiculous thing for me to do would be to try and play Shakespeare.
“I'm finding it increasingly difficult to simply walk down the street. In New York, I dashed in to buy a big pair of sunglasses to conceal myself, but the guy behind the counter shouted 'Hey! It's Dr. House.'”
“Any supervisor worth his salt would rather deal with people who attempt too much than with those who try too little.”