Mark 9:33
And he came to Capernaum: and being in the house he asked them, What was it that ye disputed among yourselves by the way?
Cross-reference
Mark 2:8
Parallel
In Mark 2:8, Jesus perceives the scribes' thoughts — here he similarly knows what the disciples discussed before asking.
Mark 10:41
Parallel
Mark 10:41 records the disciples' indignation over ambition — the same pride issue that sparked the argument in Mark 9:33.
John 2:25
Allusion
John 2:25 states Jesus knew what was in people — here he demonstrates that by knowing their private debate.
Matthew 18:1
Parallel
Matthew 18:1 records the same incident — the disciples directly ask who is greatest, while Mark notes they argued about it.
Luke 9:46
Parallel
Luke 9:46 is the parallel account of the same dispute — the disciples argued about greatness on the way to Capernaum.
Psalm 139:1–4
Allusion
Psalm 139:1-4 declares God knows our thoughts from afar — Jesus here displays that same divine knowledge of the disciples' conversation.