An audio version of the response of the leader of the Islamic Revolution, Ayatollah Muytaba Khamenei, to the letters of a group of students at the university "Equip yourself as much as you can with the weapons of knowledge, faith, purification of the soul, intimacy with God and a deep familiarity with the teachings of the Qur'an and Ahl al-Bayt (people of the Prophet's house, peace be upon them all), and with redoubled effort and innovation contribute to increasing the power and authority of Iran dear... " 28/10.