بنی آدم اعضایِ یکدیگرند

که در آفرینش ز یک گوهرند

The children of Adam are all members of one.

For in [our] creation, they are from a single source. 

— Sa'di, Golestān, Bāb-e avval dar Sirat-e Pādeshāhān, Hekāyat no. 10