See here, 1. How we may discern a fool and discover him, a wicked man, for he is a foolish man . If we perceive not in him the lips of knowledge , if we find there is no relish or savour of piety in his discourse, that his communication is all corrupt and corrupting, and nothing in it good and to the use of edifying , we may conclude the treasure is bad. 2. How we must decline such a one and depar...