A life lived with honesty and justice naturally attracts abundance and positive recognition, while a life of corruption is inevitably tied to deceit and self-destruction. There is a sharp contrast between the open, celebrated reward of a good person and the hidden, silencing violence of a wicked one.
The primary approach among commentators is that blessings flow to the righteous both directly from God, who grants them divine abundance, and from the people around them, who love them for the goodness they bring to the world. These blessings are so tangible that it feels as though the entire world is placing its hands upon their head to bless them [מלבי״ם], as their actions fill the earth with light and joy [עמנואל הרומי]. Alternatively, the focus can be understood as relating to the mind and the very beginning of a person's journey. A righteous person starts with good thoughts and openly shares their positive intentions from the start. Because they are transparent and good, the community naturally steps in to help them reach their goals [רלב״ג].
In stark contrast, the wicked experience a reality where violence covers their mouths. Commentators offer different perspectives on how this covering works and its ultimate effect. One approach views this as a process of punishment and self-destruction. The wicked are cursed by their own words, and the violence they unleash turns back to wrap around them. Their very crimes demand payment, rising up to cover their mouths until they are choked and destroyed by their own actions [רש״י, מצודת דוד, שטיינזלץ, עמנואל הרומי].
Another perspective focuses on deceit and concealment. Rather than acting openly like the righteous, the wicked use their words to hide their harmful intentions behind smooth talk. They know that if they were to expose their real plans, the people around them would intervene and stop them [רלב״ג, אבן עזרא, מלבי״ם, עמנואל הרומי]. Expanding on this idea of concealment, some explain that the wicked use their speech not only to hide their own crimes but also to cover up for other violent individuals, defending them and making their terrible actions appear acceptable [אמרי דעת].
Finally, a unique psychological angle suggests that violence silences the mouths of the wicked for a completely different reason. Deep down, the wicked recognize the greatness of the righteous and know that the good path is superior. However, their own corrupt actions silence them, preventing them from publicly praising the righteous. They are afraid that if they admit the truth about the good person's virtue, they will be exposed as hypocrites and asked why they do not change their own ways. Ultimately, the deep shame of the violence in their own hands is what forces their mouths shut [אלשיך].