Hebrews 10:9

“I desire to do your will, my God; your law is within my heart.”

This verse is quoted in Hebrews 10:7 and is thematically linked to Hebrews 10:9 regarding doing God's will.

“Therefore, when Christ came into the world, he said: “Sacrifice and offering you did not desire, but a body you prepared for me”

Contextual reference; part of the same argument in Hebrews 10 about the inadequacy of the old covenant sacrifices.

“Unlike the other high priests, he does not need to offer sacrifices day after day, first for his own sins, and then for the sins of the people. He sacrificed for their sins once for all when he offered himself.”

Shares the theme of Christ's one-time sacrifice replacing the need for repeated sacrifices.

“For I have come down from heaven, not to do my will but to do the will of him who sent me.”

Shares the theme of Jesus coming to do the Father's will.

“Therefore, I urge you, brothers and sisters, in view of God’s mercy, to offer your bodies as a living sacrifice, holy and pleasing to God—this is your true and proper worship.”

Relates to the theme of sacrifice and doing God's will.