Genesis 20:13
And it came to pass, when God caused me to wander from my father’s house, that I said unto her, This is thy kindness which thou shalt shew unto me; at every place whither we shall come, say of me, He is my brother.
Cross-references
Genesis 12:1 is God's call for Abram to leave his father's house. Abraham here explains his actions by referencing that foundational event.
Genesis 12:11-20 recounts the first time Abraham used this 'she is my sister' strategy — with Pharaoh in Egypt, before the same pattern repeats here with Abimelech.
Genesis 12:13 records the exact request Abraham quotes here — 'Say you are my sister' — the original command behind this standing arrangement.
Genesis 26:7 shows Isaac repeating this exact same deception with Rebekah — same fear of being killed, same 'she is my sister' excuse, same pattern.
Acts 7:3-5 recounts God calling Abram from his father's household — the very journey Abraham references as the backdrop for his deception arrangement.
Hebrews 11:8 commends the faith Abraham showed when leaving his homeland — the same journey he references here as the starting point of his deception scheme.