al-Sharif al-Radi (d. 406 AH) · Thaqalayn library edition, reproduced verbatim
٤٧٩. وَقَالَ (عليه السلام): شَرُّ الْإِخْوَانِ مَنْ تُكُلِّفَ لَهُ.
479. Amīr al-mu’minīn, peace be upon him, said: The worst comrade is he for whom formality has to be observed. [1]
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