Rossiter Johnson 
A History of the War of 1812 

The offender, says an Italian proverb, never forgives; and it is a singular fact that the deepest resentments and the most implacable hatreds are not those arising from a sense of injuries received, but from injuries inflicted. The victim of a deliberate wrong seldom treasures up a purpose of revenge, or demands anything more than a restoration of his rights; but the oppressor always hates those who have escaped from his oppression…