al-Sharif al-Radi (d. 406 AH) · Thaqalayn library edition, reproduced verbatim
٤١١. وَقَالَ (عليه السلام): لَا تَجْعَلَنَّ ذَرَبَ لِسَانِكَ عَلَى مَنْ أَنْطَقَكَ، وَبَلاَغَةَ قَوْلِكَ عَلَى مَنْ سَدَّدَكَ.
411. Amīr al-mu’minīn, peace be upon him, said: Do not try the sharpness of your tongue against Him Who gave you the power to speak, nor the eloquence of your speaking against Him Who set you on the right path.
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