8ـ الإمامُ عليٌّ (عَلَيهِ الّسَلامُ): العَقلُ غَريزةٌ تَزيدُ بالعِلْمِ والتَّجارِبِ .
8- Imam Ali (AS) said, ‘Reason is an instinct that is enhanced by knowledge and experience.’[Ghurar al-Hikam, no. 1717]
9ـ الإمامُ عليٌّ (عَلَيهِ الّسَلامُ): العَقلُ حِفْظُ التَّجارِبِ .
9- Imam Ali (AS) said, ‘Reason is to retain [and learn from] one’s experiences.’[Ibid. no. 673]