LEAVE DOUBTFUL THINGS ALONE H 597 "Hasan said that he learned from the Prophet, praise and peace be upon him, 'Give up that which raises doubt in your mind and adhere to that which is not in doubt.'" R 597 Tirmidhi with a chain up to Hasan, the son of Ali who related this hadith.
592- وعن الحسن بن علي رضي الله عنهما ، قَالَ : حَفِظتُ من رسول الله صلى الله عليه وآله وسلم : "دَعْ مَا يريبُكَ إِلَى ما لاَ يَرِيبُكَ" رواه الترمذي ، وقال : "حديث حسن صحيح" . معناه : اتْرُكْ مَا تَشُكُّ فِيهِ ، وَخُذْ مَا لاَ تَشُكُّ فِيهِ .