Genesis 12:11

And it came to pass, when he was come near to enter into Egypt, that he said unto Sarai his wife, Behold now, I know that thou art a fair woman to look upon:

Cross-reference

Genesis 12:14 confirms Abram's assessment: the Egyptians do find Sarah beautiful, validating the fear that prompted his deception plan.

In Genesis 26:7, Isaac repeats his father's exact strategy — calling his wife his sister out of fear — showing the deception pattern passed to the next generation.

In Genesis 20:2, Abraham repeats the exact same lie about Sarah to Abimelech — the same deception pattern recurring with a different king.

Genesis 20:13 reveals Abram repeats this exact same 'she's my sister' deception with Abimelech — the same scheme, a different king.

Proverbs 29:25 Related theme

Proverbs 29:25 warns that fear of people becomes a trap. Abram's fear of the Egyptians is precisely the kind of snare this proverb describes.