The Qur'an (4: 3) states, "And if you fear that you cannot act equitably towards orphans, then marry such women as seem good to you, two and three and four."
古蘭經上吩咐著：「對待那些孤兒，若你們害怕不能公平，無妨在寡婦之中取進合意的女子：兩個、或三個、或四個。」