Literature has gifted us with incredible stories, iconic characters and poignant lessons, but it’s also capable of leaving us utterly heartbroken. And while we love happy endings and heart-warming tales, often it’s these touching yet painful quotes that stay with us for years to come.

From Anne Frank’s tragic wartime diary to Dr Seuss’ iconic book The Lorax, take a look through the gallery above as we revisit some of the most heartbreaking quotes in literary history.

Tell us in the comments, what’s the saddest book you ever read?