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who says a, must say b
01
used to suggest that if someone starts or initiates a particular action or process, it is expected that they will continue and complete the subsequent steps
Proverb
What is the origin of the proverb "who says A, must say B" and when to use it?
The origin of the proverb "who says A, must say B" can be traced to traditional European folk wisdom, with versions of it appearing in various languages. It reflects the idea of consistency and responsibility, suggesting that beginning something comes with the obligation to see it through to the end. It encourages individuals to be accountable for their decisions and actions, as abandoning or avoiding the next step is seen as irresponsible or incomplete.
Examples
If you promise to do something, you must follow through with it. As the saying goes, who says A, must say B.
