The Messenger of Allah ﷺ said, "Whoever hears of the Dajjal should keep far away from him." He said it three times. "For a man will come to him and follow him, thinking him truthful because of the doubts he stirs up."
حدثنا يزيد أخبرنا هشام بن حسان عن حميد بن هلال عن أبي دهماء العدوى
قال رسول الله ﷺ من سمع بالدجال فلينأ منه ثلاثا يقولها فإن الرجل يأتيه يتبعه وهو يحسب أنه صادق بما يبعث به من الشبهات
Its chain of transmission is sahih. Abu Dahma is Qurfa bin Buhays, and he is trustworthy. His hadith is found in Muslim and the four Sunan. The hadith has already appeared at .