Sahih Bukhari

Narrated Anas:When `Abdur-Rahman bin `Auf came to Medina and the Prophet (ﷺ) established the bond of brotherhood between him and Sa`d bin Ar-Rabi-al-Ansari, Sa`d suggested that `Abdur-Rahman should accept half of his property and family. `Abdur Rahman said, ""May Allah bless you in your family and property; guide me to the market."" So `Abdur-Rahman (while doing business in the market) made some profit of some condensed dry yoghurt and butter. After a few days the Prophet (ﷺ) saw him wearing clothes stained with yellow perfume. The Prophet (ﷺ) asked, ""What is this, O `Abdur-Rahman?"" He said, ""O Allah's Messenger (ﷺ)! I have married an Ansar' woman."" The Prophet (ﷺ) asked, ""What have you given her as Mahr?"" He (i.e. `Abdur-Rahman) said, ""A piece of gold, about the weight of a date stone."" Then the Prophet said, Give a banquet, even though of a sheep