Jagadguru Shri Chandrasekharendra Saraswati Shankaracharya Mahaswamigal (born in a Kannada Smartha family as Swaminathan Shasthri; 20 May 1894 – 8 January 1994) also known as the Sage of Kanchi or Mahaperiyava (meaning, "The great elder") was the 68th Jagadguru Shankaracharya of the Moolamnaya Saravjna Kanchi Kamakoti Peetham. Mahaperiyava's discourses have been recorded in a Tamil book titled "Deivathin Kural" (Voice of God).
Gives explanations about the division of people on the basis of the work done by them. Hygiene to be followed in respect of food, personal hygiene as stated in olden texts have been explained. Personal discipline and social discipline, way to do fast, Ayurved, etc , poetry, - the importance explained.