The unconquerable, all-conquering, & more-then-conquering souldier, or, The successful warre which a believer wageth with the enemies of his soul : as also, the absolute and unparalleld victory that he obtains finally over them through the love of God in Jesus Christ : as it was discussed in a sermon preached at Boston in New-England, on the day of the artillery-election there, June 3d., 1692 /