The central message of this sermon is that the resurrection of Jesus Christ is not just one event among many, but rather the foundation upon which all other aspects of Christianity depend. The teacher emphasizes that if Christ has not been raised from the dead, then everything else about faith in Him is futile and without any real value or meaning. This idea is reinforced by examining the Greek word "mataiotes," which is translated as "futile" or "worthless," highlighting the stark difference between having something, no matter how little, versus having nothing at all. The teacher uses various examples to illustrate this concept, including the story of Ross Barfus who sacrificed his life trying to save a stranger, and Jesus' own sacrifice on the cross. Ultimately, the sermon aims to convey that faith in Christ is not just a theoretical or intellectual concept, but rather a real and tangible relationship with God that is grounded in the historical event of the resurrection.