Amir Khusrau said this quote
“ Farsi Couplet:Mun tu shudam tu mun shudi,mun tun shudam tu jaan shudiTaakas na guyad baad azeen, mun deegaram tu deegariEnglish Translation:I have become you, and you me,I am the body, you soul;So that no one can say hereafter,That you are someone, and me someone else. ”