Recovering Our Christian Duty

What is the place of duty in the Christian life?  In a time where so much emphasis is on emotion and convenience, I think it's time to recover a sense of the nobility of duty. We don't seek obedience to get something from God, but we seek to be obedient because that is what He has asked of us.  Without a lively sense of duty to our call, we often are stagnant in our life of faith.