4662 - وَ سَأَلَ سَعْدُ بْنُ سَعْدٍ اَلرِّضَا عَلَيْهِ اَلسَّلاَمُ : عَنِ اَلصَّبِيِّ هَلْ يُرْضَعُ أَكْثَرَ مِنْ سَنَتَيْنِ فَقَالَ "عَامَيْنِ" قُلْتُ فَإِنْ زَادَ عَلَى سَنَتَيْنِ هَلْ عَلَى أَبَوَيْهِ مِنْ ذَلِكَ شَيْءٌ قَالَ "لاَ".
Hadith.4662 - Sa'd ibn Sa'd asked Imam Ali ibn Musa Ar-Ridha 
about whether a child can be breastfed for more than two years.
Imam replied: "Two years."
I asked: "If it exceeds two years, is there any obligation upon the parents because of that?"
Imam said: "No."
