Bitterness is an unforgiving, resentful, antagonistic spirit toward someone for being wronged. In this lab, John Piper shows how we can fight bitterness by believing that God will vindicate his people and see that every wrong is justly dealt with. For the study guide, visit: https://www.desiringgod.org/labs/why-we-hold-on-to-bitterness #LookAtTheBook