Do your homework

Meaning

Prepare thoroughly before taking action.

Usage

Used when encouraging research or planning.

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.

Education phrase urging students to practice before class.

Widely used in academic and business contexts since the 20th century.