The O.K. book." By Ali A. Parsa, Ph.D. 1998 simple English translation of robaiiat or rubiyat with detailed analysis and extraction of their ever-lasting wisdom with emphasis on combating substance abuse and hypocrisy the OK way. An entertaining recipe for living a healthy, happy, long and productive life free from excesses. This 11th century Persian mathematician, scientist, astronomer, philosopher and poet became the darling of the West ever since his robiiat were first translated into English by Edward Fitzgeral in 1859.