from Yazid bin Salamah Al-Ju'fi, he said: "Yazid bin Salamah 'O Messenger of Allah! I heard so many narrations from you that I am afraid the last of them will cause me to forget the first of them. So narrate a statement to me that will encompass them.' So he said: 'Have Taqwa of Allah with what you learn.'"
يَزِيدُ بْنُ سَلَمَةَ يَا رَسُولَ اللَّهِ إِنِّي قَدْ سَمِعْتُ مِنْكَ حَدِيثًا كَثِيرًا أَخَافُ أَنْ يُنْسِيَنِي أَوَّلَهُ آخِرُهُ فَحَدِّثْنِي بِكَلِمَةٍ تَكُونُ جِمَاعًا قَالَ اتَّقِ اللَّهَ فِيمَا تَعْلَمُ