That is True 111% but if you open a school and Name it Bu Ali El Hussian ibni Aby Sina no one I know will say any thing other then Bravo. But If you call it Aby Sina the Arab you will make prople around the world not likinig you.is it important rumi 's nationality? u must admit that there is a common culture in middle east. i can easily communicate with an iranian, arabian or greek because of it.( sorry greeks think they are not from here..they belong to europe lol...they can eat dolma and drink raki with their europian partners hahahaa)
we just stand apart for a long time with our souls ( asia turkic people and persians)
Using Khawrezmi or Razi ,Or Beyroni as themelves with not much fuss about their DNA is perfectly O right. And that is my point. I said to an AZERI in Baku university That you have the corps of NIZAMI and we Persian not planning to take it even if it offered ,because we are having his poetry , you keep the corps we keep the poetry ..He admire my feeling.