I think the difference is the ability to be persuaded by a strong argument that you've critically evaluated. Some people are unjustly called stubborn when they

I think the difference is the ability to be persuaded by a strong argument that you've critically evaluated. Some people are unjustly called stubborn when they don't change their position based on a weak argument from an authority figure. And others claim values, but they're just stubbornly adhering to something that feels good to believe.