Saʽdī, a 13th - century Persian poet, declared: “The children of Adam are limbs of one another and in their creation come from one substance.
وذكر سَعدي الشيرازي ،‏ شاعر فارسي من القرن الـ‍ ١٣ ،‏ ان ‹ اولاد آدم بعضهم اعضاء بعض ،‏ وهم في خلقهم من جوهر واحد .‏