What that everyone would stand and fight the good fight rather than give in to the pressure of fear brought on by others....
“What was there to be gained by fighting the most evil wizard who has
ever existed?" said Black, with a terrible fury in his face. "Only
innocent lives, Peter!"
"You don't understand!" whined Pettigrew. "He would have killed me, Sirius!"
"THEN YOU SHOULD HAVE DIED!" roared Black. "DIED RATHER THAN BETRAY YOUR FRIENDS, AS WE WOULD HAVE DONE FOR YOU!”
Harry Potter and the Prisoner of Azkaban