Scripture References:
2 Timothy 3:16–17 – “All Scripture is breathed out by God…”
2 Peter 1:20–21 – “No prophecy… was ever produced by the will of man, but men spoke from God as they were carried along by the Holy Spirit.”
Luke 24:27, 44–45 – “Beginning with Moses and all the Prophets, he interpreted to them… the things concerning himself.”
John 5:39 – “You search the Scriptures… it is they that bear witness about me.”
Hebrews 4:12 – “The word of God is living and active…”
Isaiah 55:11 – “My word… shall accomplish that which I purpose…”
1 Corinthians 2:12–14 – “We have received… the Spirit who is from God, that we might understand…”
Ephesians 1:17–18 – “That the God of our Lord Jesus Christ… may give you the Spirit of wisdom…”

Creed and Confession references from PCUSA:

Westminster Confession of Faith (1647)
Ch. 1.4–1.10 – On the authority and sufficiency of Scripture:
“The authority of the Holy Scripture… dependeth not upon the testimony of any man… but wholly upon God (who is truth itself)…”

Second Helvetic Confession (1566)
Chapter 1 – “We believe and confess the canonical Scriptures… to be the true Word of God, and to have sufficient authority in and of themselves…”

Confession of 1967
§9.27–9.30 – “The one sufficient revelation of God is Jesus Christ, the Word of God incarnate… The Scriptures are the witness without parallel of the mighty acts of God in the history of his people.”
“The Bible is to be interpreted in the light of its witness to God’s work of reconciliation in Christ.”

A Brief Statement of Faith (1983)
“The Spirit who inspired the Scriptures… engages us through the Word proclaimed…”