Luke 17:10
So you also, when you have done everything you were told to do, should say, we are unworthy servants; we have only done our duty — we are unworthy servants (douloi achreioi, useless servants — the same word as the unprofitable servant of Matthew 25:30): we have only done our duty. The elimination of merit-based discipleship: kingdom service is the expected obedience of those who belong to the king, not the exceptional performance of those who deserve special reward.