۳۳۶. وَقَالَ (عليه السلام): الْمَسْؤُولُ حُرُّ حَتَّى يَعِدَ.
336. Amīr al-mu’minīn, peace be upon him, said: The person who is approached with a request is free until he promises.
The freedom of the uncommitted giver
Nahj al-Balāgha|Volume 1|Book 3|Chapter 336