It was narrated from Ibn 'Abbas that: When the Prophet ﷺ wanted to prostrate after bowing, he would say: "Allahumma, Rabbana wa lakal-hamd, mil'as-samawati wa mil'al-ardi wa mil'ama shi'ta min shai'in ba'd ( O Allah, our Lord, to You be the Praise, filling the heavens, filling the Earth, and filling whatever else You will)"
Furthermore, this hadith also serves as an example of how we should conduct ourselves during prayer; it shows us how important it is to be mindful of what we say during worship and take time to reflect on the greatness of Allah's power before engaging in any physical acts such as prostration or bowing down in reverence. By doing this, we can ensure that our prayers are meaningful and effective in conveying our love for Him.