al-Sharif al-Radi (d. 406 AH) · Thaqalayn library edition, reproduced verbatim
٤٠. وَقَالَ (عليه السلام) : لِسَانُ الْعَاقِلِ وَرَاءَ قَلْبِهِ، وَقَلْبُ الْأَحْمَقِ وَرَاءَ لِسَانِهِ.
40. Amīr al-mu’minīn, peace be upon him, said: The tongue of the wise man is behind his heart, and the heart of the fool is behind his tongue.
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