The oldest extant specimen bears a faithfully copied Arabic inscription.
If they be willing faithfully to serve it, that satisfies.
After the death of Richelieu, he attached himself to Mazarin, whom he served faithfully throughout the Fronde.
His father, dying in the following year, commended him to the care and favour of his brother and successor, Henry III., who faithfully fulfilled the charge.
In 1831 Wheatstone by his " magic lyre" experiment showed that, when the sounding-boards of two musical instruments are connected together by a rod of pine wood, a tune played on one will be faithfully reproduced by the other.