Ibhayibhili yincwadi ecwengileko esetjenziswa babantu amakrestu. Incwadi isetjenziswa ukutjhumayela nokufunda indaba zikaZimu begodu nokubona bonyana kuba njani lokha umuntu nakakhamba noZimu. Abanye bathi ibhayibhili sikhali sokulwa nemimoya emimbi. Ibhayibheli ihlukaniseke kabili. Ngokuthi kune Testamende elidala begodu kune testamende elitja. Itestamende elidala lifundisa ngoZimu lokha uJesu Krestu angafiki emhlabeni begodu likhombise bonyana uZimu bekasenzisa abaphrofethi ukukhuluma nabantu okhunye esikuthola etestamendeni elidala kukuthi kuze njani bona abantu bafe nokuthi kuze njani kube nephasi.
Itestamende elitjha lifundisa ngokufika kwaka Jesu ephasini nokubethelwa kwakhe esphambanweni begodu nokuthi abapostoli basala benzani lokha uJesu nakabuyela ezulwini.