If there were any works given to men for them to perform, any characteristic they must possess, any status they must attain to, any role they must fulfill in order to merit eternal salvation, there would be necessarily be injustice and inequality.
If labors were needed, the paralyzed and infirm would be excluded. If status and standing in soceity were required, the poor and the needy would be excluded. If great skill in oratory demanded, the dumb and mute would be unworthy. If God were to forfeit his right of election and seek something in a particular strain of sinner to qualify them for entrance into the Kingdom of Heaven it would be unrighteous, for by so doing he would disqualify all others.
By choosing certain sinners to save for his own reasons, God proves his goodness and graciousness. All are alike condemned, but those who he has set apart from the foundation of the world, for reasons having nothing to do with their personal glory, merit, or lack thereof, escape condemnation purely as a demonstration of his glorious grace.