Hadith 31-70

وَبِهذَا الإِسنادِ قالَ: قالَ رَسُولُ اللَّهِ‏ صَلَّى اللهُ عَلَيْهِ وَآلِهِ: مَن حَسُنَ فِقهُهُ فَلَهُ حَسَنَةُ.

According to the same documentation, God’s Prophet (S) said, “Whoever has a good ability to comprehend will attain the good.”