al-Sharif al-Radi (d. 406 AH) · Thaqalayn library edition, reproduced verbatim
وَلَيْسَ رَجُلٌ ـ فَاعْلَمْ ـ أَحْرَصَ عَلَى جَمَاعَةِ أُمَّةِ مُحَمَّدٍ (صلى الله عليه وآله) وَأُلْفَتِهَا مِنِّي، أَبْتَغِي بِذلِكَ حُسْنَ الثَّوَابِ، وَكَرَمَ الْمَآبِ، وَسَأَفِي بِالَّذِي وَأيْتُ عَلَى نَفْسِي، وَإِنْ تَغَيَّرْتَ عَنْ صَالِحِ مَا فَارَقْتَنِي عَلَيْهِ. فَإِنَّ الشَّقِيَّ مَنْ حُرِمَ نَفْعَ مَا أُوتِيَ مِنَ الْعَقْلِ وَالتَّجْرِبَةِ.
Remember that no person is more covetous than I for the unity of the ummah of Muḥammad (may Allāh bless him and his descendants) and their solidarity. I seek through it good reward and an honourable place to return to. I shall fulfill what I have pledged upon myself even though you may go back from the sound position that existed when you left me last, because wretched is he who is denied the benefit of wisdom and experience.
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