Омар Хайям Мудрости жизни 3 (Wisodm of life by Omar Khayyam)
Omar Khayyám ,Омар Хайям(1048—1131 Persian: عمر خیام) was a Persian polymath: philosopher, mathematician, astronomer and poet. He also wrote treatises on mechanics, geography, mineralogy, music, climatology and Islamic theology.
