Maybe he'd given up other things to serve his master.

This one, however, would serve his master to the end.

His attempt to serve two masters had not been a total success.

He states that you cannot serve two masters for your own interests.

However, you have found another opportunity to serve your evil master.

"See that you serve your new masters even better," I said.

I am a practical man who has served many masters in my long life.

So he turned to interior design and is trying to serve two masters.

"Record companies have been trying to serve too many masters other than the consumer," she said.

"The problem is you cannot serve two masters," she said.