1 Samuel 25:21

Surely in vain have I kept all that this fellow hath Though David justly thought he had no right to take any part of the flock of Nabal by way of plunder; yet, when he and his men had taken the trouble of defending them for some time from all damage, which, probably, they otherwise could not have escaped, he concluded, with much reason, that he and his men, when reduced to necessity, had cause to expect something by way of gratuity from Nabal, for the services they had done him.