11. Hud · verses 25–26

وَلَقَدۡ أَرۡسَلۡنَا نُوحًا إِلَىٰ قَوۡمِهِۦٓ إِنِّي لَكُمۡ نَذِيرٞ مُّبِينٌ

Walaqad arsalna noohan ila qawmihi innee lakum natheerun mubeenun

We sent Noah to his people (with a mission): "I have come to you with a Clear Warning:

أَن لَّا تَعۡبُدُوٓاْ إِلَّا ٱللَّهَۖ إِنِّيٓ أَخَافُ عَلَيۡكُمۡ عَذَابَ يَوۡمٍ أَلِيمٖ

An la taAAbudoo illa Allaha innee akhafu AAalaykum AAathaba yawmin aleemin

"That ye serve none but Allah: Verily I do fear for you the penalty of a grievous day."