Left is always evil. Solomon, The wisest man who ever lived said, “A wise man’s heart directs him toward the right, but the foolish man’s heart directs him toward the left.”
The word for left in many languages is synonymous with sinister and right in many languages, including English, is synonymous with correct. Words such as righteousness also come to mind.
Even Dogs Know What is Right
This article and the accompanied video explains that when dogs sense fear and evil and danger, or when they are threatening, their tails wag to the left. Knowing this actually could keep you from being bitten some day.
When dogs are happy and content and want to be warm and friendly, their tails wag to the right: http://healthypets.mercola.com/sites/healthypets/archive/2013/12/20/dogs-communicate.aspx?e_cid=20131220Z1_PetsNL_art_1&utm_source=petnl&utm_medium=email&utm_content=art1&utm_campaign=20131220Z1&et_cid=DM35292&et_rid=373609877
The video is here showing that the left and right orientation is the dog’s and not from our front-facing perspective to them: