The inerrancy of Scripture means that scripture in the original manuscripts does not affirm anything that is contrary to fact.
Wayne GrudemGod's faithfulness means that God will always do what He said and fulfill what He has promised.
Wayne GrudemThe clarity of Scripture means that the Bible is written in such a way that its teachings are able to be understood by all who will read it seeking God's help and being willing to follow it.
Wayne GrudemIn one sense the doctrine of the trinity is a mystery that we will never understand fully.
Wayne Grudem