٤٢١. وَقَالَ (عليه ‏السلام): كَفَاكَ مِنْ عَقْلِكَ مَا أَوْضَحَ لَكَ سَبِيلَ غَيِّكَ مِنْ رُشْدِكَ.
421. Amīr al-mu’minīn, peace be upon him, said: It is enough if your wisdom distinguishes for you the ways of going astray from those of guidance.