١ـ عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ خَالِدٍ عَنْ أَبِيهِ عَمَّنْ ذَكَرَهُ عَنْ مُحَمَّدِ بْنِ عَبْدِ الرَّحْمَنِ بْنِ أَبِي لَيْلَى عَنْ أَبِيهِ عَنْ أَبِي جَعْفَرٍ (عَلَيهِ السَّلام) قَالَ إِنَّ لِكُلِّ شَيْ‏ءٍ قُفْلاً وَقُفْلُ الإيمَانِ الرِّفْقُ.
1. A number of our people have narrated from Ahmad ibn Muhammad ibn Khalid from his father from who he has mentioned (in his book) from Muhammad ibn ‘Abd al-Rahman ibn abu Layla from his father from abu Ja’far  who has said the following: “For everything there is a lock and the lock for belief is friendliness.” 