What is important is that we walk with the Lord now, that we try to bring good works into the world. While no amount of effort on our parts will ever be enough to get us to heaven--that is up to God alone, we still should strive to make our world a better place for all people. If we truly have faith in a benevolent God, then our actions should represent that belief.
This is harder to put into practice than it is to say. I am overly aware of the times this past week (let alone my entire past) where I have not acted in a merciful, helpful, or benevolent way, where I have allowed selfish desires to overcome my better self. That does mean I should just give up trying. It is the struggle to make ourselves and our world a better place that is important. I need to pick myself back up, brush off, and try again.