The real certificate is to know Jesus Christ.
Theology is a science of mind applied to God.
Sincere Christians can disagree about the details of Scripture and theology - absolutely.
My theology, briefly, is that the universe was dictated but not signed.
Theology is in disrepute among most Western intellectuals. The word is taken to mean a passe form of religious thinking that embraces irrationality and dogmatism. So too, Scholasticism.
The Epistle to the Romans is an extremely important synthesis of the whole theology of St. Paul.
Theology is the effort to explain the unknowable in terms of the not worth knowing.
The function of Theology? The recitation of the incomprehensible by the unspeakable to pick the pockets of the unthinking.
Theology is unnecessary.