CHAP. XVI. The great difference between External and Internal Penances.
117. KNow that the Mortifications and Pe∣nances which some one undertakes of himself, are light (although they may be the most rigorous, which hitherto have been done) in comparison of those he takes from another's hands: because in the first, he himself enters and his own will, which abate the grief, the more voluntary it is, whilst at last he doth but that which he is willing: but in the second, all that is indured, is painful; and the way also painful, in which it is indured, that is to say, by the will of another.
118. This is that which Christ our Lord told St. Peter, (St. John 21.18.) When thou wast young and a beginner in vertue, thou girdedst and mortifiedst thy self; but when thou goest