قَالَ أَمِيرُ الْمُؤْمِنِينَ ع لَمَّا وَجَّهَنِي رَسُولُ اللَّهِ ص إِلَى الْيَمَنِ قَالَ يَا عَلِيُّ لَا تُقَاتِلْ أَحَداً حَتَّى تَدْعُوَهُ إِلَى الْإِسْلَامِ وَ ايْمُ اللَّهِ لَأَنْ يَهْدِيَ اللَّهُ عَزَّ وَ جَلَّ عَلَى يَدَيْكَ رَجُلًا خَيْرٌ لَكَ مِمَّا طَلَعَتْ عَلَيْهِ الشَّمْسُ وَ غَرَبَتْ وَ لَكَ وَلَاؤُهُ[2].
“Abu ‘Abd Allah (a.s.), has said that Amir al-Mu’minin (a.s.), has said, ‘When the Messenger of Allah, O Allah, grant compensation to Muhammad and his family worthy of their services to Your cause, instructed me to go to Yemen he said to me, “O Ali, you must not fight anyone before calling him to al-Islam. I swear by A