Say: "He is Allah, (the) One.
"Allah-us-Samad (The Self-Sufficient Master, Whom all creatures need, He neither eats nor drinks).
"He begets not, nor was He begotten;
"And there is none co-equal or comparable unto Him."
I am an atheist, I do not believe in gods or demons, boogy men or angels. I hold no beliefs in ghosts or trolls, flying zombies or talking snakes.
Now there are people for whom I have great respect who say that this claim is as bias as a theist who says they know there is a god...
"God is Love, and Love is Real" -Aaron Weiss, mewithoutYou
God is not a man, although He can be.
God is not a thought, although He can be.
God is not a lie, although He can be.
God is God.
God is realization of God.
God is Samadhi, Satori, Om.
God is Tathagata: