The Word is

Infallible

Psalm 19:7 ESV

The law of the Lord is perfect, reviving the soul; the testimony of the Lord is sure, making wise the simple;

Inerrant

Proverbs 30:5–6 ESV

Every word of God proves true; he is a shield to those who take refuge in him. Do not add to his words, lest he rebuke you and you be found a liar.

Sufficient

Make us wise unto salvation

2 Timothy 3:15 ESV

and how from childhood you have been acquainted with the sacred writings, which are able to make you wise for salvation through faith in Christ Jesus.

Mature us

2 Timothy 3:16–17 ESV

All Scripture is breathed out by God and profitable for teaching, for reproof, for correction, and for training in righteousness, that the man of God may be complete, equipped for every good work.

Grant us hope

Romans 15:4 ESV

For whatever was written in former days was written for our instruction, that through endurance and through the encouragement of the Scriptures we might have hope.

Complete

Revelation 22:18–19 ESV

I warn everyone who hears the words of the prophecy of this book: if anyone adds to them, God will add to him the plagues described in this book, and if anyone takes away from the words of the book of this prophecy, God will take away his share in the tree of life and in the holy city, which are described in this book.

Authoritative

John 8:30–31 ESV

As he was saying these things, many believed in him. So Jesus said to the Jews who had believed him, “If you abide in my word, you are truly my disciples,

Galatians 3:10 ESV

For all who rely on works of the law are under a curse; for it is written, “Cursed be everyone who does not abide by all things written in the Book of the Law, and do them.”

James 2:8–10 ESV

If you really fulfill the royal law according to the Scripture, “You shall love your neighbor as yourself,” you are doing well. But if you show partiality, you are committing sin and are convicted by the law as transgressors. For whoever keeps the whole law but fails in one point has become guilty of all of it.

Effective

Isaiah 55:11 ESV

so shall my word be that goes out from my mouth; it shall not return to me empty, but it shall accomplish that which I purpose, and shall succeed in the thing for which I sent it.

1 Thessalonians 1:5 ESV

because our gospel came to you not only in word, but also in power and in the Holy Spirit and with full conviction. You know what kind of men we proved to be among you for your sake.