Unbelievers Need to Know The issue of truth appears in two particular arenas. First, there is the context of evangelism. To invite a person to receive Jesus Christ as Savior, two things are imperative. A person has to understand the gospel. If people do not understand the need for salvation and Christ’s provision for us, it makes no sense to ask them to commit themselves to Christ. A person also has to accept the message of the gospel as true. I have seen non-Christians state clear reasons why they