What was Douglass's theory of justice?

It was rooted in natural rights — the belief that human dignity is not granted by governments or customs but is inherent. Slavery was wrong not because it violated American law (it didn't, for most of history) but because it violated something deeper: the basic moral claim of every person to self-determination.

He read the Constitution carefully and argued, against some fellow abolitionists, that it could be interpreted as an antislavery document — that its ideals, properly applied, demanded freedom for all. This was not naïveté. It was a strategic argument for using American ideals against American practice.

What did he say about those who watch injustice passively?

He was clear: silence is complicity. "Those who profess to favor freedom and yet deprecate agitation are men who want crops without plowing up the ground." You cannot claim to support a cause while opposing the disruption necessary to advance it.

This is directed at moderates of every era — those who support the goal but not the methods, the outcome but not the discomfort required to get there.

What would Douglass say about today's world?

He would recognize the patterns immediately: systems that concentrate power, educational inequities that limit opportunity, rhetoric that disguises exploitation as tradition. He would not be surprised. He would be organizing.

His approach was not despair but strategy. Identify the lever — education, law, public opinion, political pressure — and apply force consistently. He believed in American ideals not because the country lived up to them but because they were tools that, wielded correctly, could force it to.