Abdullah bin Burayda bin al-Husayb عبد الله بن بريدة بن الحصيب الأسلمي · The Chapters on Business Transactions

"The Messenger of Allah (ﷺ) ruled that the fruit of a palm tree belongs to the one who pollinated it, and that the wealth of a slave belongs to the one who sold him, unless the purchaser stipulated a condition."