"There are few ways in which good people do more harm to thos..." — Henry B. Eyring quote meaning

There are few ways in which good people do more harm to those who take them seriously than to defend the gospel with arguments that won't hold water. Many of the difficulties encountered by young people going to college would be avoided if parents and teachers were more careful to distinguish between what they know to be true and what they think may be true. Impetuous youth, upon finding the authority it trusts crumbling, even on unimportant details, is apt to lump everything together and throw the baby out with the bath.