“We are what we repeatedly do. Excellence, then, is not an act, but a habit.” This is not by Aristotle. It is often misquoted. This quote is by Will Durant who was summing up the words of Aristotle. http://blogs.umb.edu/quoteunquote/2012/05/08/its-a-much-more-effective-quotation-to-attribute-it-to-aristotle-rather-than-to-will-durant/