well repay the toil: but it is arduous and difficult. For the leaders of these parties have been treated with much injustice; and their doctrines are misrepresented: nor is it easy to come at the truth, in the midst of so much darkness; since most of the writings of those called heretics are now lost. Those, therefore, who approach this part of church history, should exclude every thing invidious from the name, heretic: and consider it as used only in a more general sense for a man, who, by his own,