As for you, my galvanized friend, you want a heart. You don't know how lucky you are not to have one. Hearts will never be practical until they can be made unbreakable.
L. Frank Baum
The Wonderful Wizard of Oz
"Why are those needles and pins sticking out of your head?" asked the Tin Woodman. "That is proof that he is sharp," remarked the Lion.
L. Frank Baum