Forgiveness is not just some nebulous, vague idea one can easily dismiss. It has to do with uniting people through practical politics. Without forgiveness there is no future. To forgive is the only way to permanently change the world.
The deeper that sorrow carves into your being, the more joy you can contain... they are inseparable. Together they come, and when one sits along with you at your board, remember that the other is asleep upon your bed.