“A sin that's hidden is half forgiven.”
Giovanni Boccaccio book The Decameron
Peccato celato e mezzo perdonato. <br class="br">First Day, Introduction <br class="br"> J. M. Rigg's translation http://decameron.obdurodon.org/engdecameronviewreading.html: Sin that is hidden is half forgiven. <br class="br">The Decameron (c. 1350)