The Messenger of Allah ( صلی اللہ علیہ وسلم ) said: "There is no validity to a vow, emancipation, or divorce regarding something that is not in a person's possession."

Amr bin Shu'aib says that my father proposed a woman for me, and I refused, saying: If I marry her, she will be forbidden to me like my mother. Then I regretted it. When I came to Madinah, I asked Sa'id bin al-Musayyib and 'Urwah bin al-Zubair (may Allah have mercy on them), and they said: "The Messenger of Allah (peace be upon him) said: There is no divorce before marriage."

Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) said: "There is no consideration of zihar or divorce before ownership."

It is narrated from Qasim bin Muhammad (may Allah have mercy on him) that a man said: If I marry such-and-such woman, then she will be forbidden to me like my mother. Then he married her. When he asked Umar bin Khattab (may Allah be pleased with him), he said: "Do not have relations with her until you have offered the expiation for zihar."

Hazrat Shurayh (may Allah have mercy on him) said: "Divorce is only valid after marriage."

It is narrated from Hasan al-Basri (may Allah have mercy on him) that Sayyiduna Ali bin Abi Talib (may Allah be pleased with him) was asked: If a man says, "If I marry such-and-such woman, then she is divorced from me." He (may Allah be pleased with him) replied: "This is nothing; divorce is not valid without marriage."

Hazrat Abu Al-Sha’tha’ (may Allah have mercy on him) said:“Divorce takes place after marriage, and emancipation after ownership.”

Abdullah bin Abbas (may Allah be pleased with them both) said: "Divorce is valid only after marriage, and emancipation is valid only after ownership."

Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) said: "Divorce is only valid after marriage."

Hazrat Saeed bin Jubair and Ali bin Hussain (may Allah have mercy on them) were asked that if divorce is given before marriage, both said: "This has no significance."