John 8:22
Then said the Jews, Will he kill himself? because he saith, Whither I go, ye cannot come.
Cross-reference
In John 8:48, the Jews again insult Jesus, calling him a Samaritan with a demon—continuing their hostile misunderstanding shown here.
John 8:52 repeats the accusation that Jesus has a demon, building on the same theme of unbelief from the previous verses.
In John 7:20, the crowd similarly says Jesus has a demon—a recurring charge against him throughout the Gospel.
John 10:20 records the same accusation—'He has a demon and is insane'—showing the consistent rejection of Jesus.
Hebrews 12:3 explicitly says Jesus endured hostility from sinners—the Jews' accusation here is a vivid example of that hostility.
Psalm 31:18 prays against lying lips that speak against the righteous—exactly the kind of false accusation the Jews make here.
Psalm 123:4 speaks of enduring contempt from the proud—Jesus faces such contempt when the Jews suggest he would kill himself.