Catholic Answers Senior Apologist Jimmy Akin answers questions regarding Marian apparitions.
Jimmy Akin was born in Texas and grew up nominally Protestant. At age 20 he experienced a profound conversion to Christ. Planning on becoming a Protestant pastor or seminary professor, Jimmy started an intensive study of the Bible, but the more he immersed himself in Scripture, the more he found...
"Let us then not be ashamed to confess the Crucified. Be the cross our seal, made with boldness by our fingers on our brow and in everything; over the bread we eat and the cups we drink, in our comings and in goings out; before our sleep, when we lie down and when we awake; when we are travelling, and when we are at rest."
~ St. Cyril of Jerusalem in his "Catecheses" (xiii, 36), on the sign of the cross, a practice familiar to Christians in the second century and which had passed into a gesture of benediction by the fourth century, as many quotations from the Fathers show