The Peak of Eloquence · Hadith 872 (#Passage #2)
Chapter 184 | On hearing a Kharijite raising the slogan, "judgment belongs to God alone"
اسْكُتْ قَبَحَكَ اللهُ يَا أَثْرَمُ، فَوَاللهِ لَقَدْ ظَهَرَ الْحقُّ فَكُنْتَ فِيهِ ضَئِيلاً شَخْصُكَ، خَفِيّاً صَوْتُكَ، حَتَّى إِذَا نَعَرَ الْبَاطِلُ نَجَمْتَ نُجُومَ قَرْ نِ الْمَاعِزِ.
Keep quiet, may Allāh make you ugly, O you with broken tooth. Certainly, by Allāh, when truth became manifest even then your personality was weak and your voice was lose. But when wrong began to shout loudly you again sprouted up like the horns of a kid.
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).