This quote acknowledges that anger can be a useful and motivating emotion, but only when it is controlled and directed in a productive way. If left unchecked, anger can lead to destructive behavior and poor decision-making. The quote encourages individuals to harness their anger for positive purposes, such as standing up for themselves or fighting for justice, rather than letting it take over and cause harm. Learning to manage anger effectively can turn it into a powerful tool for personal and societal change.