Walk the line
Meaning
Maintain discipline or adhere to rules.
Usage
Used when describing careful balance.
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.
Tightrope-walking metaphor for staying balanced.
Popularized by culture in the mid-20th century, especially music.