17:110  Say, "Invoke Allah or invoke the Most Gracious. By whatever (name) you invoke, to Him (belongs) the Names the Most Beautiful. And (do) not be loud in your prayers and not be silent therein, but seek between that a way."

6:162  Say, "Indeed, my prayer, and my rites of sacrifice, and my living, and my dying (are) for Allah, Lord (of) the worlds.