Sayyidina Ibn Umar (RA) reported that he heard Allah’s Messenger (SAW) say, “While I was asleep, a bowl of milk was brought to me. I drank from it. Then I gave what remained to Umar (RA) ibn Khattab’. (His sahabah (RA) asked, “so, what is your interpretation of it, O Messenger of Allah, (SAW)'? He said, “Knowledge”.
[Bukhari 82]