Anyone can add intersting sources in Tanach regarding a better society.
(ח) פְּתַח־פִּ֥יךָ לְאִלֵּ֑ם אֶל־דִּ֝֗ין כָּל־בְּנֵ֥י חֲלֽוֹף׃ (ט) פְּתַח־פִּ֥יךָ שְׁפָט־צֶ֑דֶק וְ֝דִ֗ין עָנִ֥י וְאֶבְיֽוֹן׃ (פ)
(8) Speak up for those who can't speak, for the rights of all the unfortunate. (9) Speak up, judge righteously, champion the poor and the needy.