Sunan At-Tirmidhi

Narrated Anas:that the Prophet (ﷺ) said: ""I entered Paradise and it was as if I was in a palace of gold. So I said: 'Whose palace is this?' They said: 'A youth's, from the Quraish.' So I thought that I was him. I said: 'And who is he?' They said: ""'Umar bin Al-Khattab