in the case of those who are not believers, those who have not become Christians. The gospel of Jesus Christ, the message of the book of Hebrews, calls upon the world to give earnest heed to what it has to say. The world is not merely to give it a quick glance or read a casual article about it or have an occasional discussion about it or on special days or occasions listen to what the church has to say. Earnest heed means undivided attention. There is a very good illustration of this in the sixteenth