These are the things which ...

These are the things which might conceivably and truly make men forgive their enemies. We can only turn hate to love by understanding what are the things that men have loved; nor is it necessary to ask men to hate their loves in order to love one another. Just as two grocers are most likely to be reconciled when they remember for a moment that they are two fathers, so two nationals are most likely to be reconciled when they remember (if only for a moment) that they are two patriots.
These are the things which might conceivably and truly make men forgive their enemies. We can only turn hate to love by understanding what are the things that men have loved; nor is it necessary to ask men to hate their loves in order to love one another. Just as two grocers are most likely to be reconciled when they remember for a moment that they are two fathers, so two nationals are most likely to be reconciled when they remember (if only for a moment) that they are two patriots.

Quotes from the same author

Men always talk about the most important things to perfect strangers. In the perfect stranger we perceive man himself; the image of a God is not disguised by resemblances to an uncle or doubts of wisdom of a mustache.
A change of opinions is almost unknown in an elderly military man.
Men reform a thing by removing the reality from it, and then do not know what to do with the unreality that is left.
The power which makes a man able to entertain a good impulse is the same as that which enables him to make a good gun; it is imagination.
The doctrine of human equality reposes on this: that there is no man really clever who has not found that he is stupid.