Mark 10:41
And when the ten heard it, they began to be much displeased with James and John.
Cross-reference
Mark 9:33-36 shows a prior dispute about greatness among the disciples, revealing that pride was a recurring issue leading to indignation.
Matthew 20:24 is the parallel account of this exact incident, recording the same indignation from the ten disciples.
Romans 12:10 commands outdoing one another in honor — the direct opposite of the disciples' angry reaction to others being honored.
Philippians 2:3 condemns selfish ambition and promotes counting others more significant — a clear corrective to the indignation here.
Luke 22:24 describes a later dispute about who is greatest, showing the disciples continued to struggle with the same ambition.
Proverbs 13:10 directly links pride to strife — the root cause of the disciples' indignation over James and John's request.