James O'Leary, The Most Ancient Lives of Saint Patrick… (1874)
“ But this profane and foolish generation received the prohibition of the saint not only with contempt, but with scorn and laughter. Then did he, understanding the perverseness of those scorners, repeat his prohibition, and thus did he say unto them, "Though mightily shall ye labor unto your purpose, never shall it come to any effect, nor ever shall ye derive any profit therefrom." And how true were his words, the event showed: for on the next night was the sea wondrously raised with a tempest, and spreading thereover scattered all the work of the heathens ”
