7 However, that knowledge isn't in all men. But some, being used until now to the idol, eat as of a thing sacrificed to an idol, and their conscience, being weak, is defiled.
7
But not everyone possesses this knowledge. Some people are still so accustomed to idols that when they eat sacrificial food they think of it as having been sacrificed to a god, and since their conscience is weak, it is defiled.