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Great regard is to be had also to the genius and talent of a speaker, that we may enquire about such things as are in his way, and not take him out of his knowledge; as if one should propose physical or mathematical queries to a moral philosophy reader, or apply himself to one who prides himself on his knowledge of physics to give his opinion on conditional propositions or to resolve a fallacy in logic. For, as he that goes about to cleave wood with a key or to unlock a door with an axe does not so much misemploy those instruments as deprive himself of the proper use of them, so such as are not content with what a speaker offers them, but call for such things as he is a stranger to, not only are disappointed, but incur the suspicion of malice and ill-nature.