The other side of the coin
Meaning
An alternate perspective or opposite effect.
Usage
Used when contrasting opposing outcomes.
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.
Coin flips reveal two faces, representing dual aspects.
Finance and philosophy used the metaphor since the 19th century.