boiling point vs more heat than light

boiling point

noun
  • The state of being heated, with high aggression. 

  • The temperature at which a liquid boils, with the vapor pressure equal to the given external pressure. 

more heat than light

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

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