Vesna

“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

“For every minute you are angry you lose sixty seconds of happiness.”
― Ralph Waldo Emerson

“And those who were seen dancing were thought to be insane by those who could not hear the music.”
― Friedrich Nietzsche

“Without music, life would be a mistake.”
― Friedrich Nietzsche, Twilight of the Idols