Since God may not be pictured, and Jesus is God, Jesus may not be pictured either.
Iconoclasts in the Eastern Church argued that those who venerated images of Christ were circumscribing Jesus’ divine nature. To worship the picture would involve the assumption that his divine nature is limited, circumscribed by the human nature and is therefore picturable. Or it would imply that the human nature alone is pictured and thus is separable from the divine nature.
Some have argued that since we don’t know what Jesus looked like, any picture will be a lie.
Some take the second commandment to exclude any representations of deity.
The danger of idolatry, at least, is always present when pictures of Jesus are used for any purpose.
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