“Never did she find anything so difficult as to keep herself from losing her temper when she was suddenly disturbed while absorbed in a book. People who are fond of books know the feeling of irritation which sweeps over them at such a moment. The temptation to be unreasonable and snappish is one not easy to manage.” 

"It makes me feel as if something had hit me," Sara had told Ermengarde once in confidence. "And as if I want to hit back. I have to remember things quickly to keep from saying something ill-tempered.” 

― Frances Hodgson Burnett, A Little Princess