Get your ducks in a row
Meaning
Organize things before acting.
Usage
Used when urging systematic preparation.
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.
Similar to puppies marching in order; a line of ducks following their mother.
American idiom from the 20th century.