121. We must strive also to win many by kindnesses and duties that we can do, and to preserve the favour already shown us. For they will with good reason forget the benefits of former times if they are now vexed at some great wrong. For it often enough happens that those one has shown favour to and allowed to rise step by step, are driven away, if one decides in some unworthy way to put another before them. But it is seemly for a priest to show such favour in his kindnesses and his decisions as to guard equity, and to show regard to the other clergy as to parents.