In the religious context of thou shall not kill, one would say abortion is bad, but when we look at some circumstances surrounding the act, it could actually not be seen as bad.
For instance when we say it's necessary to save the mother, yea one might argue and say the foetus could become a potential and a great man in the future, don't forget that if the mother dies, the survival chances of the foetus becomes very slim.
So to some extent abortion is not bad