Sayyiduna Ibn Abbas (may Allah be pleased with them both) said that when the Messenger of Allah (peace and blessings be upon him) raised his head from bowing, he would say: "O Allah, our Lord, to You belongs all praise, filling the heavens, filling the earth, and filling whatever else You will thereafter."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 11299