Sentence:  Ignorant and <WSD>ſuperſtitious</WSD> wretches meaſure the actions of "letterd" and "philoſophical" men by the tattle of their nurſes or illiterate parents and companions, or by the faſhion of the country : and people of differing religions judge and condemn each other by their own tenents ; when "both" of them cannot be in the right, and it is well if "either" of them are. 
Meaning of the word marked with <WSD> tags:  Susceptible to superstitions.