al-Sharif al-Radi (d. 406 AH) · Thaqalayn library edition, reproduced verbatim
لاَ تَقْتُلُوا الْخَوَارِجَ بَعْدِي، فَلَيْسَ مَنْ طَلَبَ الْحَقَّ فَأَخْطَأَهُ، كَمَنْ طَلَبَ الْبَاطِلَ فَأَدْرَكَهُ.
Do not fight [1] the Khārijites after me, because one who seeks right but does not find it, is not like one who seeks wrong and finds it.
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