ʿUyūn akhbār al-Riḍā
Hadith 7070 - وَبِهذَا الإِسنادِ قالَ: قالَ رَسُولُ اللَّهِ صَلَّى اللهُعَلَيْهِ وَآلِهِ: مَن حَسُنَ فِقهُهُ فَلَهُ حَسَنَةُ.
31-70 According to the same documentation, God’s Prophet (S) said, “Whoever has a good ability to comprehend will attain the good.”