Luke 24:27 shows Jesus explaining how all Scriptures speak of him, fulfilling the claim that it is written of him.

Luke 24:44 specifically mentions the Psalms must be fulfilled, directly connecting to this psalm's claim.

John 5:39 states the Scriptures bear witness of Christ, echoing the psalm's declaration that the scroll is written about him.

Acts 10:43 says all prophets bear witness to Christ, confirming that the scroll speaks of him.

1 Corinthians 15:3 says Christ died for sins according to the Scriptures, showing the scroll's writings include his atoning death.

1 Corinthians 15:4 says Christ was raised according to the Scriptures, fulfilling what is written in the scroll about him.

Hebrews 10:7-9 directly quotes Psalm 40:7-8 as Christ's words, applying the psalm to Jesus' incarnation and obedience.

1 Peter 1:11 specifies that the Spirit of Christ in the prophets predicted His sufferings—the same Spirit speaking in Psalm 40:7.

Revelation 19:10 declares that the testimony of Jesus is the spirit of prophecy, directly linking to the scroll written about Him in Psalm 40:7.

John 5:30 records Jesus seeking the Father's will, directly reflecting the psalmist's declaration of doing God's will in Psalm 40:7.

In John 6:38, Jesus explicitly says he came to do the Father's will — a direct parallel to the psalmist's declaration.

In 1 Peter 1:10, the prophets searched about the salvation Christ would bring, echoing the 'scroll of the book' written about the Messiah in Psalm 40:7.