depress vs take heart

depress

verb
  • To cause a depression or a decrease in parts of the economy. 

  • To make depressed, sad or bored. 

  • To press down. 

  • To bring down or humble; to abase (pride, etc.). 

  • To reduce (an equation) in a lower degree. 

take heart

verb
  • To be courageous; to regain one's courage. 

intj
  • Used when encouraging someone to bear or take up a difficult situation. 

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