Mark 7:4
And when they come from the market, except they wash, they eat not. And many other things there be, which they have received to hold, as the washing of cups, and pots, brasen vessels, and of tables.
Cross-reference
Mark 7:8 follows up: Jesus accuses them of abandoning God's command for human tradition, the core issue behind these washings.
Isaiah 1:16 calls for moral cleansing, contrasting with the external ritual washings described in Mark 7:4 — inner vs. outer purity.
Jeremiah 4:14 urges washing the heart from evil, directly opposing the external focus of the Pharisees' hand-washing traditions in Mark 7:4.
Luke 11:38 recounts the same astonishment that Jesus didn't wash before dinner, directly parallel to the tradition described here.
Luke 11:39 records Jesus' response: Pharisees clean the outside but are filthy inside — a direct critique of the external washings in Mark 7:4.
Matthew 15:20 records Jesus' conclusion that unwashed hands do not defile, directly paralleling this passage.
Matthew 23:25 extends the critique: cleaning the outside while inside is corrupt, reinforcing Jesus' point about hypocrisy.
Hebrews 9:10 describes OT ceremonial washings as temporary external regulations, providing background for the traditions criticized here.
James 4:8 calls for heart purification, directly contrasting the external hand-washing Jesus critiques here.
1 John 1:7 points to Christ's blood as true cleansing, contrasting the ritual washings mentioned here.
John 2:6 notes stone jars for Jewish purification rites, confirming the cultural context of the washing traditions mentioned here.
In John 3:25, a dispute over purification echoes the same concern with ceremonial washings that Jesus addresses here.