It is fitting that He Whose abode has been established in peace should be worshipped in peace and with due reverence. Churches, then, should be entered humbly and devoutly; behaviour inside should be calm, pleasing to God, bringing peace to the beholders, a source not only of instruction but of mental refreshment. Those who assemble in church should extol with an act of special reverence that Name which is above every Name, than which no other under Heaven has been given to people, in which believers must be saved, the Name, that is, of Jesus Christ, Who will save His people from their sins. Each should fulfil in himself that which is written for all, that at the Name of Jesus every knee should bow; whenever that glorious Name is recalled, especially during the sacred Mysteries of the Mass, everyone should bow the knees of his heart, which he can do even by a bow of his head. In churches the sacred solemnities should possess the whole heart and mind; the whole attention should be given to prayer.