Babbelgum vir die Siel
Brain Teaser: Sunday, 1 March 2015─── 08:34 Sun, 01 Mar 2015
You are in a place called Jack's World and there is only one law. There is a mirror, but no reflection. There is pizza with cheese, but not sausage. There is pepper, but no salt. There is a door, yet no entrance or exit. What is the law?
Answer:
Everything (each word) in Jack's World must contain double letters.