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You do realise boasting means to brag right? To display pride. I asked a simple question what have they done. I would think those who perform works for the lord out of love would have no problem simply saying, yes ive done this that and this for the lord out of love. But perhaps i was mistaken.
Why would it matter?
god tells us not to boast and many do not want to, and should not feel like they have t.
again, why do you not ask what God has done for them? That is a much more applicable questions then asking people to boast.