If you dont be good, then you be bad, if you be bad you get in trouble with society, if you get in trouble with society, then you get in trouble with the law, then you get punished, and usually it affects you mentally and financially so be carefull.
It doesn't matter what religion you are, if you do good for others and help them out, you will receive blessings. Try it. I like to do kindnesses for people without them knowing who it came from. It really does work. It helps to have a cheerful attitude too.
Yes! But Our righteousness is as filthy rags to God. What we consider good doesn't even come close to God's standards. And we can't do it without the power of the Holy Spirit and receiving Jesus as our Lord and Savior.