Not graded
Sunan ad-Darimi 550
أَخْبَرَنَا إِبْرَاهِيمُ بْنُ إِسْحَقَ عَنْ جَرِيرٍ عَنْ رَجُلٍ عَنْ مُجَاهِدٍ قَالَ لَا يَتَعَلَّمُ مَنْ اسْتَحْيَا وَاسْتَكْبَرَ
This hadith has no English translation yet: the Arabic text, the reference and the grade are shown here.
Reported by Ad-Darimi (No. 550).