[11a] Do not speak evil of one out of the ordinary, brothers. Whoever speaks evil of a brother or judges his brother speaks evil of the law and judges the law.
(CCC 2478) To elude ill-considered anxiety, any person requisite be careful to interpret insofar as likely his neighbor's take care of, words, and events in a helpful way: Both good Christian penury to be exclusive ready to create in your mind a helpful interpretation to another's statement than to flaw it. But if he cannot do so, let him ask how the other understands it. And if the later understands it shockingly, let the erstwhile meticulous him with love. If that does not suffice, let the Christian try all necessary ways to bring the other to a meticulous interpretation so that he may be saved (St. Ignatius of Loyola, Spiritual Military exercises, 22).
Origin: thelema-and-faith.blogspot.com