No More Learning

As a transcriber, if he still commits
the same fault though he has been reproved, is without excuse; and the
harper who always blunders on the same string, is sure to be laughed at;
so he who is excessively deficient becomes another Choerilus; whom, when
I find him tolerable in two or three places, I wonder at with laughter;
and at the same time am I grieved           honest Homer grows drowsy?