Perhaps we are striving about words which means striving against how each of us expresses the same idea. Here's my take: we are born with a Human nature. That nature bends our decisions toward choosing hurt and harm. Through Jesus' teachings and His life, death, and resurrection, we can turn to God for forgiveness and receive a new nature that bends us toward making right decisions which are beneficial to all. Yet, the patterns of the old have to be pruned out in a continuing process (or "walk") whereby we can say "No" to the old and "Yes "to the new, cultivating that godly nature to conform to what kind of people Jesus wants us to be.