Mouse

“Friendship ... is born at the moment when one man says to another "What! You too? I thought that no one but myself . . .”
― C.S. Lewis, The Four Loves

“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

“That's the worst of girls," said Edmund to Peter and the Dwarf. "They never can carry a map in their heads."
"That's because our heads have something inside them," said Lucy.”
― C.S. Lewis, Prince Caspian

“There is no friend as loyal as a book.”
― Ernest Hemingway