The definition of “Zen” is a “calm and unified mind,” but actually, the idea of a quiet mind has been around for some time. William Sargeant described the mind as “unquiet” in his well read book, The Unquiet.
Very very true! Just a few of the many tricks a Bull Terrier can be trained to do. It's not that a Bull Terrier can't be trained it's that they see little purpose to it; unless there are dog treats involved.