It is estimated that he sold one million books in his lifetime, far more than any other sociologist at the time.. 
jẹ́ òṣèré tó gba ẹ̀bùn àkàDemi fún òṣèré Ọkùnrin dídárajùlọpọ̀ àwọn Ọjọ́ìbí ni àwọn ẹlẹ́bùn ADemi Ọkùnrin Òṣèré Dídárajùlọ Sago.. 