the old man laid the sword along his lap , and pippin put his hand to the hilt , and said slowly after denethor : 'here do i swear fealty and service to gondor , and to the lord and steward of the realm , to speak and to be silent , to do and to let be , to come and to go , in need or plenty , in peace or war , in living or dying , from this hour henceforth , until my lord release me , or death take me , or the world end .