more heat than light vs tumult

more heat than light

noun
  • More passion or conflict than enlightenment or illumination on a subject. 

tumult

noun
  • A riot or uprising. 

  • Violent commotion or agitation, often with confusion of sounds. 

  • Confused, agitated noise as made by a crowd. 

How often have the words more heat than light and tumult occurred in a corpus of books? (source: Google Ngram Viewer )