question #1 Sahih al-Bukhari 2586, Book 51, Hadith 20 : What is the significance of fairness and equality among children in Islam?

that his father took him to Allah’s Messenger (ﷺ) and said, “I have given this son of mine a slave.” The
Prophet asked, “Have you given all your sons the like?” He replied in the negative. The Prophet (ﷺ) said,
“Take back your gift then.”