Download Harper Lee Quote: “Remember it’s a sin to kill a mockingbird.” Wallpaper from the all Widescreen (4K 5K 8K Ultra HD resolutions) for mobiles, tablets and desktops devices with Microsoft Windows / Apple iOS & MacOS / Android / Linux and other devices. Harper Lee Quote: “Remember it’s a sin to kill a mockingbird.” Wallpaper is part of the To Kill A Mockingbird collection.