But Peter said unto him, Although all shall be offended, yet will not I. Our Lord had just distinctly stated that they would all be offended, and therefore these words of St. Peter were very presumptuous.
Conscious of his own infirmities, he ought to have said, "I know that through my own infirmity this may easily happen. Nevertheless, I trust to thy mercy and goodness to save me." Just such is the Christian's daily experience.
We often think that we are strong in the faith, strong in purity, strong in patience. But when temptation arises, we falter and fall. The true remedy against temptation is the consciousness of our own weakness, and supplication for Divine strength.