if you fear that you cannot deal fairly with orphan girls you may marry women of your choice two or three or four but if you fear that you might not be able to treat them with equal fairness then only one or those whom you rightfully possess. that is more likely to keep you from committing an injustice.
وإن خفتم ألا تقسطوا في اليتامى فانكحوا ما طاب لكم من النساء مثنى وثلاث ورباع فإن خفتم ألا تعدلوا فواحدة أو ما ملكت أيمانكم ذلك أدنى ألا تعولوا