Categories Myles Munroe Purpose is the master of my motivation and the mother of my commitment. Post author By quotegeek Post date May 16, 2012 No Comments on Purpose is the master of my motivation and the mother of my commitment. Purpose is the master of my motivation and the mother of my commitment. → I’m a Sagittarius, which probably tells you way more than you need to know. Leave a Reply Cancel replyYou must be logged in to post a comment.