أَخْبَرَنَا سَعِيدُ بْنُ عَامِرٍ ، حَدَّثَنَا شُعْبَةُ ، عَنْ بُرَيْدِ بْنِ أَبِي مَرْيَمَ ، عَنْ أَبِي الْحَوْرَاءِ السَّعْدِيِّ ، قَالَ : قُلْتُ لِلْحَسَنِ بْنِ عَلِيٍّ : مَا تَحْفَظُ مِنْ رَسُولِ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ؟.
قَالَ : سَأَلَهُ رَجُلٌ عَنْ مَسْأَلَةٍ لَا أَدْرِي مَا هِيَ، فَقَالَ :" دَعْ مَا يَرِيبُكَ إِلَى مَا لَا يَرِيبُكَ "

Sa'id bin Amir told us, Shu'bah told us, on the authority of Burayd bin Abi Maryam, on the authority of Abu Al-Hawra' Al-Saadi, he said: I said to Al-Hasan bin Ali: What do you memorize from the Messenger of God, may God bless him and grant him peace?
He said: A man asked him about an issue I don’t know what it is, so he said: “Leave what doubts you for what does not doubt you.”