Sins of the Tongue
We usually think that sins are inherently physical actions that we are tempted to partake in. But there are occasions which we overlook the words we say and are not in control of the sins we commit.
We are acting against God when we communicate with lies, hatefulness or cursing since we are using our own tongue to spread poison. Instead, with the very tongue that spreads evil, we should control to purify our speech and bring praise to God.