question #1 Sahih Muslim 476a, Book 4, Hadith 229 : What is the significance of praising Allah during prayer according to Islamic teachings?

When the Messenger of Allah (ﷺ) raised his back from the rukd’ he pronounced: Allah listened to him who praised Him. O Allah! our Lord! unto Thee be praise that would fill the heavens and the earth and fill that which will please Thee besides them.