I have several friends who pick one word to live by during the forthcoming year. I've noticed more and more people doing this for 2015. Then, I found out that it is a newly established "movement." So established that there have been books written on the subject and websites developed. Here's a brief explanation from one book's authors:
I prefer words for their sometimes mysterious beginnings, their origins--otherwise known as etymology. Etymology has its own section, 422. Browse the 422s in either the adult or children's rooms to find books such as Word Origins--And How We Know Them: Etymology for Everyone by Anatoly Liberman. If you're picking a word to live by, you may wish to check out where that word had its beginnings!