Symbolism isn't the same as idolatry. Idolatry involves worshipping the signifier as the signified--traditional worship in the times of ancient Israel involved the belief that the spirits indwelled the physical icons.
But when people worship at a cross, they aren't worshipping the cross, they're worshipping what the cross signifies. It's like when you look at an image of your wife; you don't feel love for the image, you feel love for the person the image is of.
But when people worship at a cross, they aren't worshipping the cross, they're worshipping what the cross signifies. It's like when you look at an image of your wife; you don't feel love for the image, you feel love for the person the image is of.
“The truth of our faith becomes a matter of ridicule among the infidels if any Catholic, not gifted with the necessary scientific learning, presents as dogma what scientific scrutiny shows to be false.”