Matthew 19:7
They say unto him, Why did Moses then command to give a writing of divorcement, and to put her away?
Cross-reference
In Matthew 5:31, Jesus references the same Mosaic divorce certificate command, forming part of his teaching on divorce in the Sermon on the Mount.
Matthew 1:19 shows Joseph's plan to divorce Mary quietly, illustrating the practice of divorce in Jewish context.
Deuteronomy 24:1-4 is the original Mosaic law granting a certificate of divorce, which the Pharisees cite here.
Malachi 2:16 declares God hates divorce, directly opposing the permission Moses granted that the Pharisees appeal to here.
Mark 10:4 records the same Pharisee question and Jesus' response, a parallel account of this conversation.
Jeremiah 3:8 similarly describes God giving Israel a decree of divorce, using the same imagery as the Mosaic certificate.
Isaiah 50:1 uses the same 'certificate of divorce' metaphor for God's relationship with Israel, echoing the legal term.