History is a vast early warning system.

Cousins frames history not as a neutral record but as a practical instrument: a system that signals danger in advance. The metaphor of an “early warning system” implies patterns—recurring political errors, social injustices, economic bubbles, and the escalation of conflict—that can be detected if people study precedent seriously. The quote also carries an implicit critique: warnings are only useful if institutions and citizens heed them. In Cousins’s humanist outlook, historical memory becomes a civic responsibility, helping societies anticipate consequences, resist propaganda, and choose policies that avert preventable suffering.