James O'Leary, The Most Ancient Lives of Saint Patrick… (1874)
“ Even unto this day are seen impressed on the hard stone the footprints of the virgins which were consecrated unto God, that to all it might be seen how deeply could the prayer or the preaching of the saint penetrate even stony hearts. And hereby may we understand that they who, for the love of Christ, contemn the world, should continue in the hard way, that they might attain Him unto whom they have approved themselves. And the place wherein these virgins were consecrated is called Tedna ”
