Mark 7:13
Making the word of God of none effect through your tradition, which ye have delivered: and many such like things do ye.
Cross-reference
Mark 7:9 already states that the Pharisees set aside God's command for their tradition — v13 echoes this with 'nullify the word of God'.
Mark 7:3 earlier defines the 'tradition of the elders' — the specific practice Jesus criticizes in verse 13.
Jeremiah 8:8 accuses scribes of making the law a lie with their pens — parallel to Pharisees nullifying God's word through human tradition.
Jeremiah 8:9 declares that those who reject God's word have no wisdom — similar to the Pharisees' rejection shown in nullifying God's word.
In Matthew 5:17-20, Jesus affirms he came to fulfill the law, not abolish it — in contrast to the Pharisees who nullify God's word by tradition.
Matthew 15:6 uses the same phrase 'made void the word of God' for the same Corban practice — a direct parallel account.
Titus 1:14 likewise condemns paying attention to human commands that reject truth — a direct parallel to Jesus' critique of tradition overriding God's word.
1 Kings 12:33 shows Jeroboam inventing a new religious festival — an OT example of human tradition overriding God's commands.
Matthew 15:3 is the parallel account where Jesus directly asks why they break God's command for their tradition.
Isaiah 8:20 commands testing all teaching against God's law — a standard that shows the Pharisees' tradition nullifies God's word.
Hosea 8:12 says God's law is treated as a strange thing — reflecting how the Pharisees' tradition makes God's word void and foreign.
Malachi 2:9 rebukes priests who failed to follow God's ways and showed partiality — similar to Jesus' charge against traditions that break God's law.