One of the habits that often occurs in society is a penchant for following trends or opinions that are lived and applied in the main groups or what is called conformity. Psychologically this can happen on the basis of the individual's desire to be accepted in social groups and avoid reproach. It is not surprising that the post-truth phenomenon is easy to develop in society, on the basis of conformity itself which is a socialization process. A number of cases in Indonesian beliefs tell that hoaxes and hate speech may be a tool for inter-religious and denominational to attack each other. These attacks on each other will have an impact on the attitude of superiority or truth claims. So the key for followers of Christ in facing this post-truth era is one of them with the courage to break free from the confines of conformity (avoiding reproach). Following Christ means daring to be completely different from others, to be salt and light to others. So that through the Fruit of our faith in Christ, in the end others will recognize the truth that is in God in Jesus Christ through the actions of his people. In this case, proving the truth through deeds can demonstrate to the public that Jesus is actually the Way, the Truth, and the Life (John 14:6).