To live with integrity, it is important to know what's right and what's wrong, to be educated morally. However, merely KNOWING is not enough. Virtuous character matters more than moral knowledge. The reason is simple: like the self-confessing apostle...
Absolute hospitality would in no way amount to the absence of violence. To the contrary, it would enthrone violence precisely under the guise of nonviolence because it would leave the violators unchanged and the consequences of violence unremedied.