James O'Leary, The Most Ancient Lives of Saint Patrick… (1874)
“ And at another time the aforementioned brothers, for the purpose of visiting Saint Patrick, took their way on foot over the sands of the sea-shore. And as they walked along, communing on the way together, behold, the flowing-in of the tide surrounded them, and, preventing all escape, smote them with the fear of death. Then the saint, instructed of heaven, saw their peril, and, showing it unto his disciples, professed that he grieved for them. ”
