11:26

أَن لَّا تَعْبُدُوا إِلَّا اللَّهَ إِنِّي أَخَافُ عَلَيْكُمْ عَذَابَ يَوْمٍ أَلِيمٍ

Transliteration:

An la taAAbudoo illa Allaha innee akhafu AAalaykum AAathaba yawmin aleemin

Word by Word:

That (do) not worship except Allah. Indeed, I [I] fear for you (the) punishment (of) a Day painful."

Translations:

that you may worship none but God-for, verily, I fear lest suffering befall you on a grievous Day!"

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

That ye serve none, save Allah. Lo! I fear for you the retribution of a painful Day.

To serve none but Allah. Verily I fear for you the chastisement of a painful day.

That you not worship except Allah . Indeed, I fear for you the punishment of a painful day."