לֹא־תִדְרֹ֥שׁ שְׁלֹמָ֖ם וְטֹבָתָ֑ם כָּל־יָמֶ֖יךָ לְעוֹלָֽם׃ (ס)
Targum Jonathan on Deuteronomy
Ye shall not seek their peace or, their prosperity all your days, because, if even they become proselytes, they will entertain enmity in their hearts for ever.