“Rage made you the creature of those who enraged you, it gave them to much power. Rage killed the mind...”
“Kill me then,' panted Harry, who felt no fear at all, but only rage and contempt. 'Kill me like you killed him, you coward-'DON'T-' screamed Snape, and his face was suddenly demented, inhuman, as though he was in as much pain as the yelping, howling dog stuck in the house behind them- 'CALL ME A COWARD!”
“You kill people you hate or you kill in rage or you kill to get even, but you don't kill someone you're indifferent to.”
“I am not made of steel. Rage. I...am made... of RAGE!!!!”
“Men in rage strike those that wish them best.”
“But sometimes shame is a more powerful engine than rage. Like rage, it burns hot; and like rage it tends to consume its own furnace.”