Chapter on Virtues of Hajj
Man Lā Yaḥḍuruh al-Faqīh|Volume 2|Book 3|Chapter 2
وَ أَيُّمَا بَعِيرٍ حُجَّ عَلَيْهِ ثَلاَثَ سِنِينَ جُعِلَ مِنْ نَعَمِ اَلْجَنَّةِ ». وروي " سبع سنين ".
"Any camel on which Hajj is performed for three years will be made among the livestock of Paradise." It has also been narrated: "Seven years."
- Ṣaḥīḥ al-Faqīh