The whole point of Christianity is that you are saved by what is in your heart, not outward deeds. If one claims to be a Christian and does good deeds ONLY to be spared from hell, then that person has not received the holy spirit. They are acting only on an intellectual belief in God much like the Pharisees of Jesus’s time.
From Genesis Chapter 3, we see that man disobeyed God and ate from the tree of knowledge of good and evil. This original sin is also attributed as being the same sin which attributed to all mankind.
Is there good without God?
The problem of sin was resolved on the Cross, but not the issue of good and evil.
There are many people who have never had faith in Christ who perform good works, but not by Divine standards,..human standards, yes, but not Divinely judged standards.
Such works are given their just rewards within those systems of order independent of God, but they do not merit Divine reward which are predestined for believers who act through faith in Christ is performing what He has planned.
A future judgment is in store for those who believe in Christ, and in their good works there will be rewards provided by Him at the bema seat. Another judgment is also in store for those who perform works to discern if they are good by His standards. Where no such Divinely judged good work remains, they shall be cast out into the Lake of Fire and they shall be burnt up.
So while we have been made to perform good works through faith in Christ, we are easily led astray by our knowledge of good and evil, mistakenly thinking any good work is synonomous with that which He provides.
Some have posited the consequence of any works or ordering which is done independent of faith in Christ is simply more evidence being presented in an appeals trial in the angelic conflict, manifesting His decision to send the fallen angels to the Lake of Fire is a sound, righteous, just judgment.