On awakening, since I had learnt of Rasulullah (sallallahu ‘alaihi wasallam) claiming nubuwwah (prophethood), I went to him and enquired, “What are you actually inviting towards?” Rasulullah (sallallahu ‘alaihi wasallam) replied, “I invite you towards the oneness of Allah Ta‘ala and I invite you to attest that I am the messenger of Allah Ta‘ala.” I immediately accepted Islam saying, “I bear witness that there is none worthy of worship besides Allah Ta‘ala and that Muhammed (sallallahu ‘alaihi wasallam) is Allah’s messenger.”

(Extracted from Seeratul Mustafa 1/162-163)