James O'Leary, The Most Ancient Lives of Saint Patrick… (1874)
“ Ere he was carried into Hibernia by the pirates, he had attained his sixteenth year; oppressed beneath a most cruel servitude, six years did he feed swine; four years did he feed with the sweet food of the Gospel those who before were swine, but who, casting away the filth of their idolatry, became his flock of unspotted lambs ”
