he said omar bin abdul aziz may god be pleased with him heard a man speaking and he was eloquent about his need so omar said this by god is lawful magic.
قال وسمع عمر بن عبد العزيز رضي الله عنه رجلا يتكلم فأبلغ في حاجته، فقال عمر هذا والله السحر الحلال.