COMMENTARY 2 John How Christian believers are to relate to those who do not believe as they do is a question that has received a number of different answers. Some urge tolerance and charity; others advocate the necessity of guarding the truth and preserving the purity of the church. Second John apparently takes a rather hard line on the matter: If anyone comes to you and does not bring this teaching, do not take him into your house or welcome him (v. 10). To such stern and unrelenting admonitions,