Nahj al-Balagha Hadith n. 466

Selections from The Sayings and Preaching of Amir al-Muminin Ali ibn Abi Talib (Peace Be Upon Him) Including His Replies to Questions and Maxims Expressed for Various Purposes.
Translated by Sayyid Ali Reza

وَقَالَ (عليه ‏السلام):

Amir al-mu'minin, peace be upon him, said:

الْعَيْنُ وِكَاءُ السَّهِ.

The eye is the strap of the rear.

قال الرضي: و هذه من الاستعارات العجيبة، كأنه شبّه السّهَ بالوعاء، والعين بالوكاء، فإذا أُطلق الوكاءُ لم ينضبطِ الوعاءُ و هذا القول في الاَشهر الاَظهر من كلام النبي عليه السلام ، وقد رواه قوم لاَميرالمؤمنين عليه السلام ، ذكر ذلك المبرّد في كتاب المقتضب في باب اللفظ بالحروف. و قد تكلمنا على هذه الاستعارة في كتابنا الموسوم: بمجازات الآثار النبوية.

as-Sayyid ar-Radi says: This is a wonderful metaphor, it is as though Amir al-mu’minin has likened the rear part of the body with a bag and the eye with a strap. When the strap is let loose the bag cannot retain anything. According to the well-known and reputed view it is the saying of the Prophet but some people have stated it to be of Amir al-mu’minin. Al-Mubarrad has mentioned it in his book al-Muqtadab under the chapter ‘Words of single letters’. We too have discussed this metaphor in our book named Majazat al-athar an-nabawiyyah.