Too many sects of Christianity are judgmental toward God's people and try to hold them to a standard that they themselves are not able to keep (Acts 15:10). Outward conformity to men's standards will never justify us before a holy God.
If we believed that we had to follow every aspect of the law in order to go to heaven, then Jesus has just told us we are all lost! But we know that is not what He is saying.
God chose a certain number of people before the world began in the covenant of election. When those elect, by the regenerated spirit given them by God, do good works, we ought to glorify the covenant God of election!