Few learn from abundant lessons
Nahj al-Balāgha|Volume 1|Book 3|Chapter 297
٢٩٧. وَقَالَ (عليه السلام): مَا أَكْثَرَ الْعِبَرَ وأَقَلَّ الِاعْتِبَارَ.
297. Amīr al-mu’minīn, peace be upon him, said: How many are the objects of lessons, but how few the taking of lessons. [1]