"In it, he accused Warburton of sabotaging Thomas Hanmer's edition (a charge hinted at in Pope's "Dunciad"), and in 1750 he wrote "A free and familiar letter to that great refiner of Pope and Shakespear" to again attack Warburton's edition.That same year, he also wrote "A Chronological and Historical Account of the most Remarkable Earthquakes," which he expanded two years later, with a theme of the transience of life and the need for devotion.