"While I was sleeping , I was brought a cup of milk and I drank from it. Then I gave what I had left to 'Umar bin Al-Khattab." They said; "How did you interpret it O Messenger of Allah?" He said: "Knowledge."
Jami` at-Tirmidhi Book 34, Hadith 15
← Previous Hadith "Whoever lies about having a dream, he will be required to knot two barely kernels together on the Day Of Judgment., and he will never be able to knot them together."

Jami` at-Tirmidhi Book 34, Hadith 14 Next Hadith → "While I was sleeping I saw people presented before me, and that they were wearing shirts. Some of them (the shirts) reaching their breasts, and some of them reaching below that." He said: "Then 'Umar was presented before me and he was wearing a shirt that was dragging." They said: "How did you interpret that O Messenger of Allah?" He said: "The religion."

Jami` at-Tirmidhi Book 34, Hadith 16