He must be able to hear them [the counter arguments] from persons who actually believe them; who defend them in earnest, and do their very utmost for them. He must know them in their most plausible and persuasive form; he must feel the whole force of the difficulty which the true view of the subject has to encounter and dispose of; else he will never really possess himself of the portion of truth which meets and removes that difficulty.
![He must be able to hear them [the counter arguments] from persons Image](https://www.idlehearts.com/images/he-must-be-able-to-hear-them-the-counter-arguments-from-persons.jpg?x85372 "He must be able to hear them [the counter arguments] from persons")
