Nahj al-Balāgha

Hadith 1772
governance
١٧٣. وَقَالَ (عليه ‏السلام): مَنِ اسْتَقْبَلَ وُجُوهَ الْآرَاءِ عَرَفَ مَوَاقِعَ الْخَطَاَ.
173. Amīr al-mu’minīn, peace be upon him, said: He who has several opinions understands the pitfalls.
Source: al-Sharīf al-Raḍī