"Anger is an acid that can do more harm to the vessel in which it is stored than to anything on which it is poured." - Mark Twain Righteous Anger is when we take a stand, speak the truth, peacefully protest and express the problem in the way that accurately represents God's heart. Sinful anger is getting angry at something – maybe even something legitimate, something that also angers God – but then allowing that anger to lead us to do wrong things.