We have moral duties to the extent we collectively share values, which are arrived at subjectively and change with time.
In the secular world in the West, even human life in itself isn't considered sacred, as exemplified by sentiment on abortion. The moment we pop out into the world though, we assume personhood and are protected by the social contract.
In the secular world in the West, even human life in itself isn't considered sacred, as exemplified by sentiment on abortion. The moment we pop out into the world though, we assume personhood and are protected by the social contract.