<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/08/54ea9114c57de_-_10-getty-go-back-to-the-drawing-board-2.jpg>
<http://www.womansday.com/life/a850/the-origins-of-12-common-idioms-83098/?src=shelter_footer>