When you get married, feed people
He saw the traces of perfume on ʿAbd al-Raḥmān and worked out what had happened.
بَارَكَ اللَّهُ لَكَ، أَوْلِمْ وَلَوْ بِشَاةٍ
Bāraka-llāhu lak, awlim wa law bi-shāh.
“May Allah bless you. Hold a wedding feast, even if with one sheep.”
The full narration
Narrated Anas:The Prophet (ﷺ) saw the traces of Sufra (yellow perfume) on `Abdur-Rahman bin `Auf and said, "What is this?" `Abdur-Rahman, said, "I have married a woman and have paid gold equal to the weight of a datestone (as her Mahr). The Prophet (ﷺ) said to him, "May Allah bless you: Offer a wedding banquet even with one sheep
Source
Ṣaḥīḥ al-Bukhārī · 5155
Ṣaḥīḥ
- Agreed upon as authentic (al-Bukhārī / Muslim)