>Reason is always a kind of brute force; those who appeal to the head rather than the heart, however pallid and polite, are necessarily men of violence. We speak of ‘touching’ a man’s heart, but we can do nothing to his head but hit it.
While I would agree with that in principle, I think the word "violence" is being stretched a bit. Being unforgiving, stubborn, demanding, hard-hearted, or anything adherence to logic might be claimed to imbue are not acts of violence, even if they are emotionally hurtful to others.