People
If two men agree on everything, you may be sure that one of them is doing the thinking.
— Lyndon Baines Johnson
Behind the line May contain spoilers.
Our reading
An editorial interpretation.
If two people never disagree, it suggests one of them has stopped thinking and is simply going along. The quip is a dry reminder that real thought tends to produce some friction, and that constant agreement can hide a passenger rather than a partner.
Context reviewed