Does Matthew 6 prohibit public displays - such as the nativity?
closed as not a real question by Soldarnal, Monica Cellio, Kazark, Jon Ericson♦ Dec 23 '12 at 0:31
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Mathew six prohibits public displays of righteousness for the praises of those watching. Of course even when ones motives are right, righteousness can't always be hidden and the righteousness of a good attitude towards God and men is not to be hidden at all.
In the case of a display of the nativity or other public expressions of faith it would be hard to argue opposition from the scriptures as most people are not impressed by them as though they were acts of righteousness. However if a person had such a low view of righteousness that they actually thought such a display was worth receiving honour, similiar to giving to the poor, and did it for that human respect and attention, then even in this strange example, yes it would be prohibited by Mathew 6.