"Stubborn and ardent clinging to one's opinion is the best proof of stupidity"

This quote by Michel de Montaigne suggests that when somebody is stubbornly and ardently clinging to their opinion, it signifies their own stupidity. This might be translated in a couple of different methods. To start with, it could imply that when somebody is so highly connected to their viewpoint that they decline to consider any other point of view, they are not being unbiased or intelligent. Second of all, it could suggest that when someone is so strongly connected to their opinion that they hesitate to alter it even when presented with proof to the contrary, they are not being logical or wise. Lastly, it might mean that when someone is so strongly attached to their viewpoint that they hesitate to accept any criticism or feedback, they are not being modest or smart. In any case, this quote recommends that when somebody is stubbornly and ardently holding on to their opinion, it signifies their own stupidity.