From The HOLLY QURAN
There is no god but He: That is the witness of Allah, His angels, and those endued with knowledge, standing firm on justice. There is no god but He, the Exalted in Power, the Wise.
(The Family Of Ìmrán (Al-Ìmrán)
Allah has said: "Take not (for worship) two gods: for He is just One God: then fear Me (and Me alone)." (The Bee (An-Nahl)51,)
Say: He is Allah, the One; (
Purity of Faith (Al-Ikhlás)1
And He is Allah: there is no god but He. To Him be praise, at the first and at the last: for Him is the Command, and to Him shall ye (all) be brought back.
And your God is One God. There is no god but He, Most Gracious, Most Merciful.