The Messenger of Allah ﷺ said, "If religion were at the Pleiades, a man from Persia, or he said, from the sons of Persia, would reach it and bring it back."
قال رسول الله ﷺ: لو كان الدين عند الثريا لذهب به رجل من فارس- أو قال: من أبناء فارس- حتى يتناوله.