Constant gratitude to God naturally arises following a profound sense of rescue and victory over enemies. Once the threat is entirely removed, the expression of thanks shifts from a temporary, musical performance to continuous, everyday speech. While musical instruments are played at specific times, such as during the night, the tongue allows for God's praise to be spoken continuously throughout the entire day without accompaniment [אבן עזרא, אלשיך]. The physical act of speaking involves both the lips, which were previously used for singing, and the tongue [רד״ק]. However, emphasizing the tongue highlights that this ongoing praise is deeply internal and essential, rather than just a superficial utterance of the lips [אלשיך].
The central theme of this continuous speech is God's righteousness. This righteousness is fundamentally an act of pure kindness. The rescue was not a reward owed to the individual through strict justice, but rather a gift of divine grace [מצודת דוד]. This grace also includes a profound spiritual rescue. The individual was saved from the grave sin of killing his enemies. Furthermore, the kindness extended to the enemies themselves, as they were brought to regret their actions and return to God without facing severe punishment [אלשיך].
The primary catalyst for this overwhelming gratitude is the ultimate downfall of those who specifically sought to cause harm [מנחת שי]. These adversaries are left in a state of utter shame and disgrace because their malicious plans and assumptions completely failed [מאירי, מצודת ציון, ביאור שטיינזלץ]. Their shame is only magnified when they realize that their target was not only saved from their plots, but that his greatness actually increased as a result [מצודת דוד]. With the enemies thoroughly disgraced and all fear completely removed, the individual is left in a state of complete security, able to continue praising God with absolute confidence [אבן עזרא, רד״ק].