A discourse concerning the being and attributes of God [electronic resource], the obligations of natural religion, and the truth and certainty of the Christian revelation. ... Being sixteen sermons preach'd at the Cathedral-Church of St Paul, in the years 1704 and 1705, ... / By Samuel Clarke, D.D. ... The fifth edition, corrected. To which are added several letters to Dr Clarke from a gentleman in Glocestershire, ... with the Drs answers