There is no clearer manifestation of respect for the human dignity of a person with whom one disagrees than to reason with him – and no clearer insult to that dignity than to try to shout him down, intimidate him, or otherwise treat him as something incapable or unworthy of rational engagement.  Such are the Orwellian times we live in that those who most loudly claim to be against violence are the ones most likely to resort to it.

Source: Edward Feser: Violence in word and action