Early Christian historical writings refer to the sign of the cross as well. Tertullian, around 200 A.D., wrote, “In all the ordinary actions of daily life, we trace upon the forehead the sign” (The Crown 3).
Early qoraallada taariikhiga ah Christian tixraac calaamada iskutallaabta sidoo. Tertullian, ku dhowaad 200 CD, qoray, "In dhammaan falalka caadiga ah ee nolol maalmeedka, waxaan raad ku dul foodda calaamada " (Crown The 3).