aphorism vs slogan

aphorism

noun
  • A concise, terse, laconic, or memorable expression of a general truth or principle. 

verb
  • To speak or write aphorisms. 

slogan

noun
  • A catchphrase associated with a product or service being advertised. 

  • A distinctive phrase of a person or group of people (such as a movement or political party); a motto. 

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