Gerishna: April 21st is called “Sa’di’s Day” in Iranian calendar to celebrate the grandeur of one of the pillars of Persian literature from the 13th century A.D. Abū-Muhammad Muslih al-Dīn bin Abdallāh Shīrāzī, better known in Iran as Sa’di Shirazi has a role comparable to Shakespeare in English literature, since he shaped the Persian language […]