but the scars are so interesting

One is never so pretty after being mended, you know.
-the dainty china Princess, The Wonderful Wizard of Oz, Frank Baum

ultimate practicality

None of them is fit to work, so you may tear them into small pieces.
-Wicked Witch of the West, Frank Baum, The Wonderful Wizard of Oz

I just don't feel motivated to run that maze

There’s no such thing as depression in mice.
-Jerry Cott, psychopharmacologist, kansascity.com