Sahih al-Bukhari Book 67, Hadith 160
While we were sitting with Allah's Messenger (ﷺ), (he) Allah's Messenger (ﷺ) said, "While I was sleeping, I saw a
woman performing ablution beside a palace. I asked, "Whose palace is this?' It was said, 'This palace
belongs to `Umar.' Then I remembered his sense of Ghira and returned." On that `Umar started
weeping in that gathering and said, "O Allah's Messenger (ﷺ)! How dare I think of my self-respect being
offended by you?"
The Prophet, said, "I entered Paradise and saw a palace and asked whose palace is this? They (the Angels) said, "This palace belongs to `Umar bin Al-Khattab.' I intended to enter it, and nothing stopped me except my knowledge about your sense of Ghira (self-respect (O `Umar)." `Umar said, "O Allah's Messenger (ﷺ)! Let my father and mother be sacrificed for you! O Allah's Prophet! How dare I think of my Ghira (self-respect) being offended by you?"
That Allah's Messenger (ﷺ) said to her, "I know when you are pleased with me or angry with me." I said, "Whence do you know that?" He said, "When you are pleased with me, you say, 'No, by the Lord of Muhammad,' but when you are angry with me, then you say, 'No, by the Lord of Abraham.' " Thereupon I said, "Yes (you are right), but by Allah, O Allah's Messenger (ﷺ), I leave nothing but your name."