Man, in his sensitivity, does not give names to animals he intends to eat but goes on giving names to children he intends to send to war.
The trouble with selfish motives is that they harden into principles, and you end up sending your kids to war for them.
I'm right-handed, whereas the fellow in my mirror is left-handed. I start shaving from the left; he starts from the right. Differences only in perception, but religious wars have been fought over such.