Sa'id bin Basahyr al-Azdi سعيد بن بشير الأزدي · The Book of the Sunnah

The Messenger of Allah (ﷺ) said: "Allah will continue to plant new people in this religion and use them in His obedience."

"When 'Adi bin Hatim came to Kufah, we came to him with a delegation of the Fuqaha of Kufah and said to him: 'Tell us of something that you heard from the Messenger of Allah (ﷺ).' He said: 'I came to the Prophet (ﷺ) and he said: "O 'Adi bin Hatim, enter Islam and you will be safe." I said, "What is Islam?" He said: "To testify to La ilaha illallah (none has the right to be worshipped but Allah)…