Shared ground
Isaiah 59:3–4 describes a society where wrongdoing shows up both in actions (“hands…fingers”) and in speech (“lips…tongue”). The text’s core claim is not vague moral decline but specific patterns: violence or severe harm is pictured as “blood,” deceit is normal speech, and public disputes are handled without honesty.
The passage also links private speech to public justice. When lying and “muttering wickedness” become routine, the courts (or any public truth-seeking process) stop working: “none sues in righteousness, and none pleads in truth.”
Where interpretation differs
1) Does “blood” mean literal killing or broader oppression? Some read “blood” as actual physical violence. Others think it includes (or mainly refers to) exploitation and outcomes that ruin lives, using “blood” as a vivid image for serious harm.
2) Is the courtroom language strictly literal? Some take v. 4 as describing real legal cases at the city gate. Others read it more broadly as any public process of settling conflicts and establishing what is true (leadership decisions, community judgments), whether or not a formal trial is in view.
3) Who is included in “none”? Some hear this as aimed mainly at leaders and officials who control justice. Others think it indicts the wider community: accusers, defendants, witnesses, and advocates alike.
Why the disagreement exists
The images are concrete (“hands,” “lips,” “sues,” “pleads”) but also flexible, so they can describe both literal court settings and the wider moral ecosystem around them. Also, prophetic language often uses intense physical terms (“blood”) to communicate the real weight of harm, which can be either direct violence or systemic wrongdoing.
What this passage clearly contributes
Isaiah 59:3–4 explicitly claims that corrupted speech and corrupted justice reinforce each other: lies become the normal tool, “empty” supports replace truth, and wrongdoing multiplies (“conceive…bring forth”). The text also portrays evil as productive—once normalized, it generates more of itself. In the larger flow of Isaiah 59:1–8, this helps explain why the community’s relationship with God and with each other is blocked: the barrier is not God’s weakness, but entrenched patterns of violence, deception, and failed public truth-telling.