Daniela B

“Good Morning!" said Bilbo, and he meant it. The sun was shining, and the grass was very green. But Gandalf looked at him from under long bushy eyebrows that stuck out further than the brim of his shady hat.

"What do you mean?" he said. "Do you wish me a good morning, or mean that it is a good morning whether I want it or not; or that you feel good this morning; or that it is a morning to be good on?"

"All of them at once," said Bilbo. "And a very fine morning for a pipe of tobacco out of doors, into the bargain.

...

"Good morning!" he said at last. "We don't want any adventures here, thank you! You might try over The Hill or across The Water." By this he meant that the conversation was at an end.
"What a lot of things you do use Good morning for!" said Gandalf. "Now you mean that you want to get rid of me, and that it won't be good till I move off.”
― J.R.R. Tolkien, The Hobbit, or There and Back Again

“Do you remember me telling you we are practicing non-verbal spells, Potter?"
"Yes," said Harry stiffly.
"Yes, sir."
"There's no need to call me "sir" Professor."
The words had escaped him before he knew what he was saying.”
― J.K. Rowling, Harry Potter and the Half-Blood Prince

“There is no good and evil, there is only power and those too weak to seek it.”
― J.K. Rowling, Harry Potter and the Sorcerer's Stone

“It is the unknown we fear when we look upon death and darkness, nothing more.”
― J.K. Rowling, Harry Potter and the Half-Blood Prince