The late Mogok Sayadaw Gyi, Agga Maha Pandita, Sayadaw U Vimala gave this talk 'Thar kaun - Chauk kaun - Tayar taw ' on 13th January 1961. Sayadaw Gyi passed away in October 1962 and was believed to have attained Nibbana and had delivered more than a thousand one-hour talks mostly from his base monasteries in Mogok and Amarapura, in Upper Burma.