Iv

Beware when slumber binds thee, Lest the Bridegroom pass thee by, And thou knock without in darkness, And for grief and anguish cry; Take thy lamp, with oil, and trim it, For the hour is drawing nigh.

{ergô, hôs palai tois mathêtais epêngeilô}

({troparia})

By St. Cosmas, died 760 A.D.