أَخْبَرَنَا مُحَمَّدُ بْنُ يُوسُفَ ، عَنْ سُفْيَانَ ، عَنْ الْأَعْمَشِ ، عَنْ أَبِي وَائِلٍ ، قَالَ : قَالَ عَبْدُ اللَّهِ :" تَعَلَّمُوا، فَإِنَّ أَحَدَكُمْ لَا يَدْرِي مَتَى يُخْتَلفُ إِلَيْهِ "

Muhammad bin Yusuf told us, on the authority of Sufyan, on the authority of Al-Amash, on the authority of Abu Wael, he said: Abdullah said: “Learn, for none of you knows When will he change his mind?