John 16:30
Now are we sure that thou knowest all things, and needest not that any man should ask thee: by this we believe that thou camest forth from God.
Cross-references
In John 16:17, the disciples were confused about Jesus' figurative language — now they claim to know he knows all things.
In John 16:19, Jesus already knew their unspoken questions — this is the basis for their confession that he knows all things.
In John 16:27, Jesus says the Father loves them because they believe he came from God — the same belief they now confess.
In John 5:20, Jesus says the Father shows him everything — the basis for the disciples' new conviction that he knows all things.
In John 17:8, Jesus repeats that the disciples have believed He came from God — directly echoing their confession here.
In John 21:17, Peter echoes this exact confession: 'Lord, you know all things' — a later fulfillment of their growing belief.
In John 17:25, Jesus prays that the disciples know he was sent by God — exactly what they affirm in John 16:30.
Matthew 9:4 shows Jesus knowing the scribes' thoughts — a concrete example of the omniscience the disciples acknowledge here.
Matthew 16:8 records Jesus knowing the disciples' discussion about bread — another demonstration of His knowledge they later confess.
Mark 8:17 parallels Matthew 16:8 — Jesus perceives the disciples' thoughts, confirming His omniscience acknowledged here.
Luke 9:47 explicitly states Jesus perceived the disciples' thoughts — a clear demonstration of the omniscience they confess here.
In 1 Kings 17:24, a woman recognizes Elijah as a man of God after divine knowledge — similar to disciples recognizing Jesus' omniscience.
Hebrews 4:13 declares God's knowledge of all things — echoing the disciples' confession that Jesus knows all things here.