Quran

 40:62

ذَٰلِكُمُ اللَّهُ رَبُّكُمْ خَالِقُ كُلِّ شَيْءٍ لَا إِلَٰهَ إِلَّا هُوَ ۖ فَأَنَّىٰ تُؤْفَكُونَ ﴿٦٢﴾

62. That is Allah, your Lord, Creator of all things. There is no god but He. So how can you be deluded?