preach to the choir

preach to the choir and preach to the converted

Fig. to make one's case primarily to one's supporters; to make one's case only to those people who are present or who are already friendly to the issues. There is no need to convince us of the value of hard work. We already know that. You are just preaching to the choir. Don't waste your time telling us about the problem. That's preaching to the choir. Bob found himself preaching to the converted when he was telling Jane the advantages of living in the suburbs. She already hates city life.

See also: preach

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preach to the choir

to talk about something with a group of people who already agree with you preach to the converted I realized that all I was doing was preaching to the choir - the men who really need to hear about this don't come to these groups.

See also: preach