In the narration of Abdullah ibn Maymun from Imam Jafar ibn Muhammad Al-Sadiq عليه السلام from his father, Imam Muhammad ibn Ali Al-Baqir عليه السلام, it is reported: "Prophet Ya'qub عليه السلام said to his son Yusuf عليه السلام: 'O' my son, do not commit fornication, for if a bird were to commit fornication, its feathers would fall off.'"