וְעַתָּ֗ה לְכָ֛ה נִכְרְתָ֥ה בְרִ֖ית אֲנִ֣י וָאָ֑תָּה וְהָיָ֥ה לְעֵ֖ד בֵּינִ֥י וּבֵינֶֽךָ׃
And now come, let us make a covenant, I and thou; and let it be for a witness between me and thee.’
Read midrashic interpretation of Genesis 31:44: and classical rabbinic exegesis.