أَبِی ره قَالَ حَدَّثَنِی مُحَمَّدُ بْنُ یَحْیَی الْعَطَّارُ عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنِ ابْنِ فَضَّالٍ عَنْ عُبَیْدِ بْنِ زُرَارَهَ عَنْ عَبْدِ اللَّهِ بْنِ أَعْیَنَ قَالَ سَمِعْتُ أَبَا جَعْفَرٍ ع یَقُولُ
إِذَا زَنَی الرَّجُلُ أَدْخَلَ الشَّیْطَانُ ذَکَرَهُ فَعَمِلَا جَمِیعاً وَ کَانَتِ النُّطْفَهُ مِنْهُمَا وَ خُلِقَ مِنْهُمَا وَ خُلِقَ مِنْهَا الْوَلَدُ وَ یَکُونُ شِرْکَ الشَّیْطَانِ.
4. It is narrated that Imam Muhammad Baqir 
said,
“When a person commits fornication, he is not alone and the Shaitaan accompanies him. Both of them commit this sin together. The semen is of one person only but the child belongs to both of them. Hence he is a partner of Shaitaan.”
