Should We and Could We Forgive?

In discussing acts that could be forgiven and not forgiven, the act of a mother, suffering from depression, drowning her children because she fears they are possessed stood out. If going from the religous stand point all acts should be forgiven, in the bible God forgives all sins once we repent. Although all acts should be forgiven, I personally do not know if I could forgive them, if they envolved something or someone I cared about. Just because acts or forgiven does'nt mean they should go unpunished. You also have to go through both sides, the mother who drowned her child most likely thought she was doing the best for her children at this poing in time. She was possessed at the time she honestly thought that she was saving her children. God is perfect allowing him to be able to forgive everthing, but us, being imperfect humans have to know who we are and wheather we they can give forgiveness and still have a peace of mind.