Therefore do not let sin reign in your mortal body, that you should obey it in its lusts. And do not present your member as instruments of unrighteousness to sin, but present yourselves to God as being alive from the dead, and your members as instruments of righteousness to God (Romans 6:12-13). After Adam sinned, mankind turned selfish and self-centered. Before the fall, Adam lived for the glory of God, but after he sinned, he lived to please himself without considering God