Riyad as-Salihin: The Book of Greetings – Hadith No. 210 — Safwan bin ‘Assal (May Allah be pleased with him) reported: A Jew asked his… (Hadith No. 210)

Safwan bin 'Assal (May Allah be pleased with him) reported: A Jew asked his companion to take him to the Prophet (ﷺ); and when they came to the Messenger of Allah (ﷺ), they asked him about the nine clear signs (given to Prophet Musa). Safwan narrated the long Hadith which concludes: They kissed the hands and feet of the Messenger of Allah (ﷺ) and said: "We testify that you are a Prophet."

Explanation:

Reference: Riyad as-Salihin, The Book of Greetings, Hadith No. 210