al-Sharif al-Radi (d. 406 AH) · Thaqalayn library edition, reproduced verbatim
٣٣٧. وَقَالَ (عليه السلام): الدَّاعِي بِلاَ عَمَلٍ كَالرَّامِي بِلاَ وَتَرٍ.
337. Amīr al-mu’minīn, peace be upon him, said: He who prays but does not exert effort is like the one who shoots without a bow-string.
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