<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/08/54ea911365ef6_-_08-the-apple-of-my-eye-getty-2.jpg>
<http://www.womansday.com/life/a850/the-origins-of-12-common-idioms-83098/>