Blind leading the blind

Meaning

Incompetent people guiding others who are equally unskilled.

Usage

Used to warn against following poorly informed guidance.

Origin & History

Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.

A biblical image from Matthew 15:14 and Luke 6:39.

Used for centuries to describe misguided leadership.