The apologist responds to the objections of unbelievers in a way which sets forth the objective truth of Christianity and the exclusive character of the system. He or she offers reasons for belief, vindicating the Christian worldview over against competing systems of thought and living. They have settled for much less than apologetics by reducing Christian commitment to subjectivism. However appeals to this inner feeling do not constitute an argument which should persuade others of the truth of Christianity. There is an important difference between confidence and certainty , just as there is an important difference between subjective acceptability and objective truth.
Confidence is a psychological property, a feeling of assurance that some proposition is true.
So the best we can say is that the presence of psychological assurance is not an adequate indicator of who possesses the truth and who does not. The certainty of a proposition is the property that it cannot fail to be true. The truth of Christianity is not simply an autobiographical quality, telling us something about its acceptability to this or that individual person. The apologist defends the objective truth of the faith. Another low road which some professing Christians take in response to unbelieving objections to the faith is the road of relativism.