dream vs fire in the belly

dream

noun
  • A hope or wish. 

  • Imaginary events seen in the mind while sleeping. 

  • A visionary scheme; a wild conceit; an idle fancy. 

verb
  • To hope, to wish. 

  • To see imaginary events in one's mind while sleeping. 

  • To envision as an imaginary experience (usually when asleep). 

  • To consider the possibility (of). 

  • To daydream. 

adj
  • Ideal; perfect. 

fire in the belly

noun
  • The emotional stamina and vigor, passion, or inner drive to achieve something, to take action, etc. 

How often have the words dream and fire in the belly occurred in a corpus of books? (source: Google Ngram Viewer )