و درود خدا بر او فرمود: چون خبری را شنیدید، آن را درک کرده عمل کنید، نه بشنوید و نقل کنید، زیرا راویان علم فراوان، و عمل کنندگان آن اندکند. Amir al-Mu'minin, peace be upon him, said: When you hear a tradition test it according to the criterion of intelligence not that of mere…

وَ قَالَ (عليه السلام): اعْقِلُوا الْخَبَرَ إِذَا سَمِعْتُمُوهُ عَقْلَ رِعَايَةٍ لَا عَقْلَ رِوَايَةٍ فَإِنَّ رُوَاةَ الْعِلْمِ كَثِيرٌ وَ رُعَاتَهُ قَلِيلٌ.

Amir al-Mu'minin, peace be upon him, said: When you hear a tradition test it according to the criterion of intelligence not that of mere hearing, because relaters of knowledge are numerous but those who guard it are few

Source: Nahj al-Balagha, compiled by al-Sharif al-Radi. Persian: ترجمه محمد دشتی (Mohammad Dashti). English: Translation by Sayed Ali Reza (letters, sayings and sermons 1–16). Text from github.com/WWGTX/NahjulBalaghah. · Free for non-commercial religious use, with attribution