This phrase is from the Book of Psalms (Tehillim 150:6), and it concludes the final chapter of Psalms. It is a powerful expression of the idea that every living being, with every breath, should praise and give thanks to Hashem. The verse emphasizes the importance of gratitude and recognition of Hashem's greatness in all aspects of life. It is often recited in Jewish prayers and is a central theme in songs and liturgy that celebrate Hashem's goodness and the gift of life.