preach to the converted

1. Try to convince someone who is already convinced, as in Why tell me smoking is bad when I gave it up years ago? You're preaching to the converted. [Mid-1800s]

Example Sentences

“If you want to make a difference, you can’t just preach to the converted,” says Goode.

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It doesn’t preach to the converted.

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For a medical expert to warn of the perils of “doing your own research” on vaccines, for example, is to either preach to the converted or to demand trust where it has already been lost.

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John Ashbery believed that readers of poetry are “already disposed” to be active politically and “to exhort them to do that in a poem is to preach to the converted.”

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Do you think your film will change minds, rather than just preach to the converted?

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