Michael Lazarus

“It's going to be all right, sir," Harry said over and over again, more worried by Dumbledore's silence than he had been by his weakened voice. "We're nearly there ... I can Apparate us both back ... don't worry ..."
"I am not worried, Harry," said Dumbledore, his voice a little stronger despite the freezing water. "I am with you.”
― J.K. Rowling, Harry Potter and the Half-Blood Prince

“I don't mean to be rude—" he began, in a tone that threatened rudeness in every syllable.
"Yet, sadly, accidental rudeness occurs alarmingly often," Dumbledore finished the sentence gravely.”
― J.K. Rowling, Harry Potter and the Half-Blood Prince

“I'll join you when Hell freezes over," said Neville. "Dumbledore's Army!" he shouted, and there was an answering cheer from the crowd, whom Voldemort's Silencing Charms seemed unable to hold.”
― J. K. Rowling, Harry Potter and the Deathly Hallows

“Dumbledore watched her fly away, and as her silvery glow faded he turned back to Snape, and his eyes were full of tears.
"After all this time?"
"Always," said Snape.”
― J.K. Rowling, Harry Potter and the Deathly Hallows