For a person who cherishes compassion and love, the practice of tolerance is essential, and for that, and enemy is indispinsable. So we should be grateful to our enemies, for it is they who can best help us to develop a tranquil mind.
If pity was always equally alive and acting in all individuals and in all circumstances, we could do away with moral. Unfortunately, it is not compassion, but rather it's contrary, selfishness, that act most strongly in us.
It is strange how little sharpsightedness women possess; they only notice whether they please, then whether they arouse pity, and finally, whether you look for compassion from them. That is all; come to think of it, it may even be enough, generally speaking.
I think there is a complicated side effect to overcoming evil in that we are forever changed by it. I think after we ingest some of the cruelty of the world, it takes years off of our lives, but it also gives us wisdom and a little grace, hopefully a sense of compassion.
Criminals, people who commit crimes, usually society rejects these people. They are also part of our society. Give them some form of punishment to say they were wrong, but show them they are part of society and can change. Show them compassion.