Mark 2:5 records Jesus actually forgiving the paralytic's sins; in verse 10 he explains the authority behind that action.

Daniel 7:13 introduces the 'Son of Man' figure coming with clouds — Jesus uses this OT title to claim divine authority to forgive sins.

Daniel 7:14 describes the Son of Man receiving dominion and a kingdom — this authority underpins Jesus' claim to forgive sins on earth.

Matthew 9:6-8 adds that the crowds were awed and glorified God after seeing the healing, showing the public impact of Jesus' authority.

John 5:20-27 explains that the Son of Man has authority to judge and give life — expanding on the authority Jesus claims here to forgive.

Psalm 103:3 declares God alone forgives sins; Jesus' claim to authority on earth to forgive underscores his divine identity.

Acts 5:31 declares that exalted Jesus gives repentance and forgiveness — linking the authority demonstrated on earth to his heavenly role.