John 12:44-48 contains a similar teaching: receiving Jesus is receiving the Father who sent him, reinforcing the same chain of authority.

John 20:21 echoes the sending commission — 'as the Father sent me, I am sending you' — which grounds the authority of the messengers in John 13:20.

Matthew 10:40-42 parallels this saying exactly: welcoming a disciple is welcoming Jesus, and welcoming Jesus is welcoming God.

Matthew 25:40 applies the same identification principle: service to Christ's followers is service to Christ himself, here focused on the needy.

Mark 9:37 has the same structure: welcoming a child in Jesus' name is welcoming Jesus and the Father, extending the principle to the least.

Luke 10:16 gives the same teaching: receiving the seventy-two equals receiving Jesus and the Father.

1 Thessalonians 4:8 warns that rejecting Paul's instruction is rejecting God—directly echoing the representative principle.

Exodus 16:8 shows Israel's grumbling against Moses is against the Lord—the same OT principle of rejecting God's messenger.

Numbers 16:11 repeats the idea: grumbling against Aaron is grumbling against the Lord—rejecting the appointed leader rejects God.

In Matthew 10:14, Jesus instructs disciples on rejection when sent — directly ties to the principle that receiving the sent is receiving Christ.

Matthew 18:5 similarly teaches that welcoming a child in Jesus’ name is welcoming Jesus — same logic of representation, though applied to a child.

Galatians 4:14 applies this principle—Paul says the Galatians welcomed him as if he were Christ Jesus.

Malachi 2:7 calls the priest a messenger of the Lord—providing the OT background for God's representatives carrying his authority.