1 Samuel 25:6
And thus shall ye say to him that liveth in prosperity, Peace be both to thee, and peace be to thine house, and peace be unto all that thou hast.
Cross-reference
In 1 Chronicles 12:18, Amasai uses the same 'Peace, peace to you' greeting — now directed to David, showing the formula's use for a leader.
In Matthew 10:12, Jesus instructs disciples to greet houses — the same custom of offering peace upon entering a home.
In Matthew 10:13, Jesus explains that the peace greeting either rests or returns — developing the same practice of sending peace to a house.
In Luke 10:5, Jesus commands disciples to say 'Peace be to this house!' — the exact greeting David sent to Nabal.
In Genesis 43:23, the steward greets Joseph's brothers with 'Peace be to you' — the same Hebrew greeting as David's message.
In Judges 19:20, the old man says 'Peace be to you' to a traveler — identical to David's greeting to Nabal.