In John 6:30, the crowd similarly asks 'What sign do you do?' — mirroring the demand for authentication after the temple clearing.

John 4:48 has Jesus rebuking the need for signs—directly parallel to the sign-demand in John 2:18.

In Matthew 12:38-42, Pharisees demand a sign and Jesus offers the sign of Jonah — a parallel request but different response.

In Matthew 16:1-4, Pharisees and Sadducees ask for a sign from heaven — another instance of the same demand with a rebuke.

Matthew 21:23 records the same temple authority challenge — the chief priests ask Jesus directly 'By what authority are you doing these things?'

In Mark 8:11, Pharisees seek a sign from heaven to test Jesus — a parallel to the request for a sign here.

Mark 11:27 presents the same scene: religious leaders question Jesus' authority after the temple cleansing.

Mark 11:28 continues the question — the demand for Jesus to identify the source of his authority.

In Luke 11:29, Jesus calls the generation evil for seeking signs, echoing the same confrontation though not at the temple.

Luke 20:1 gives the parallel account: religious leaders ask Jesus to tell them by what authority he acts.

Luke 20:2 continues the same question — 'Who gave you this authority?' — identical to the demand in John.

Mark 15:29 mocks Jesus using the temple saying he gave in John 2:19—showing how his sign was later ridiculed.

1 Corinthians 1:22 states Jews demand signs—exactly what happens in John 2:18, confirming the pattern.

Acts 4:7 shows the Sanhedrin asking Peter and John the same kind of authority question — 'By what power or name did you do this?'