While Jesus certainly taught his followers to live good, moral lives, his primary concern was that they be rightly related to God through personal faith in him (Jesus). Such a relationship would be possible only if they accepted Jesus' incredible claims regarding himself.
As has often been pointed out, a close examination of Jesus' own claims about himself leaves us with only one of three possibilities: 1) Jesus was a liar, 2) Jesus was a lunatic, or 3) Jesus was (and is) the Lord.
In addition, only Jesus Christ said and did what we would fully expect God-in-the-flesh to say and do, including: