Proverbs 23:10 Commentary: Rashi

אַל־תַּ֭סֵּג גְּב֣וּל עוֹלָ֑ם וּבִשְׂדֵ֥י יְ֝תוֹמִ֗ים אַל־תָּבֹֽא׃

Remove not the ancient landmark; and enter not into the fields of the fatherless;