Mujahid (may Allah have mercy on him) said regarding the statement of Allah, the Mighty and Majestic: "Indeed, Safa and Marwah are among the symbols of Allah" (__QUR_N__), that the Ansar said that walking between these two stones is among the practices of ignorance, so this verse was revealed: "Indeed, Safa and Marwah are among the symbols of Allah" (__QUR_N__).
Hadith Referenceسنن سعید بن منصور / كتاب التفسير / 235
Hadith Gradingمحدثین:سنده ضعيف لإرساله، وهو صحيح إلى مُرْسِله مجاهد، وانظر التفصيل في رواية ابن أبي نجيح لتفسير مجاهد في الحديث [١٨٤].