give me liberty ... and as the sun set on the third day since he had left his home , lord john william bertram amstrong grey found himself once more a free man , with a full belly , a swimming head , a badly mended musket , and severely chafed wrists , standing before the reverend peleg woodsworth , right hand uplifted , reciting as prompted : `` i , bertram armstrong , swear to be true to the united states of america , and to serve them honestly and faithfully against all their enemies and opposers whatsoever , and to observe and obey the orders of the continental congress and the orders of the generals and officers set over me by them . ''