Some more words of wisdom and perspective from Neil deGrasse Tyson.
Our image of evil space aliens surely derives from a fear that they will treat us just as we treat one another.
— Neil deGrasse Tyson (@neiltyson) November 21, 2014
I'd also add that our fear of aliens is reflective of how we treat animals too.
David Mizejewski is a naturalist and media personality with the National Wildlife Federation.