He is God, the Creator, the Maker who shapes all forms and appearances! His [alone] are the attributes of perfection. All that is in the heavens and on earth extols His limitless glory: for He alone is almighty, truly wise!
Al-Hashr (The Gathering) Verse 24
Allah's Apostle said, "Whenever you hear the Adhan, say what the Mu'adhdhin is saying.
Sahih Bukhari: Volume 1, Book 11, Number 585