This is an open letter to, or about, “closed” Christians. There are many kinds of closed Christians. One of the difficulties in this type of writing is that many closed Christians are so closed that they do not receive letters. First, I will define the minimum of truth that defines a Christian. Now, brothers and sisters, I want to remind you of the gospel I preached to you, which you received and on which you have taken your stand. By this gospel you are saved, if you hold firmly to the word I preached to you. Otherwise, you have believed in vain. For what I received I passed on to you as of first importance: that Christ died for our sins according to the Scriptures, that he was buried, that he was raised on the third day according to the Scriptures, and that he appeared to Cephas, and then to the Twelve. (1 Cor. 15:1-5) Second, I will define the response to this truth. There are several works that are used in this response. Yet to all who did receive him, to those who believed in
Jeremiah 17:7-8: "Blessed is the man that trusteth in the LORD, and whose hope the LORD is. For he shall be as a tree planted by the waters, and that spreadeth out her ROOTS BY THE RIVER, and shall not see when heat cometh, but her leaf shall be green; and shall not be careful in the year of drought, neither shall cease from yielding fruit."