preach to the

preach to the

choir/converted
To argue in favor of a viewpoint already held by one's audience.
See also: preach
References in classic literature ?
Dear friends, come and take this blessedness; it is offered to you; it is the good news that Jesus came to preach to the poor.
In this ecclesiology of preaching, the preaching professor, who trains the pastors who will preach to the baptized so that the baptized can preach to the world, is far removed from the utterance that actually changes lives, or makes disciples, or proclaims the nearness of the Reign of God.
Unfortunately, with all the "wiggle room" removed from the canon laws governing preaching with the promulgation of this decree, only men will preach to the full assembly.
We preach to the problem; we preach to inspire human agency.
First, I am struck by the fact that Jesus stepped outside the church in order to call someone to preach to the Gentiles.