Al-Anbya 21:107
وَمَآ أَرْسَلْنَـٰكَ إِلَّا رَحْمَةً لِّلْعَـٰلَمِينَ
Wama arsalnaka illa rahmatanlilAAalameen
"And We have not sent you, [O Muḥammad], except as a mercy to the worlds."
Al-Anbya 21:107, translation by Sahih International
A short reflection
We have not sent you, except as a mercy to the worlds. The job description of the Messenger ﷺ.