Government corrupted by vice, and recovered by righteousness [electronic resource] : A sermon preached before the honorable Congress of the colony of the Massachusetts-Bay in New England, assembled at Watertown, on Wednesday the 31st day of May, 1775. Being the anniversary fixed by charter for the election of counsellors. / By Samuel Langdon, D.D. president of Harvard College in Cambridge. ; [Two lines from Proverbs]