Heathcliff slaps younger Catherine when he locks her in
“administered a shower of terrific slaps on both sides of the head”
Mr. Earnshaw too weak to strike Hindley
“he seized his stick to strike him, and shook with rage that he could not do it”
Nelly’s description of Heathcliff’s violence towards the younger generation
“diabolical violence”
Heathcliff’s animal abuse
He hangs Isabella’s dog - “a prolonged, piteous yelping”
Hindley grabbing Heathcliff and Cathy
“seizing one of us by the collar, and the other by the arm”