if you can't lick them, join them

[if you can't lick them, join them] If you cannot defeat anopponent or get him to change his attitude, plans, or ways of doingthings, the best thing to do is to change your ideas, plans, etc.

"The small car manufacturers are winning over the big car makers,"the president of an American car factory said. "If we want to stay inbusiness, we must do as they do. In other words, if you can't lickthem, join them."