12 Therefore, just as sin came into the world through one man, and death through sin, and so death spread to all men because all sinned—13 for sin indeed was in the world before the law was given, but sin is not counted where there is no law. 14 Yet death reigned from Adam to Moses, even over those whose sinning was not like the transgression of Adam, who was a type of the one who was to come. 15 But the free gift is not like the trespass. For if many died through one man's trespass, much more have the grace of God and the free gift by the grace of that one man Jesus Christ abounded for many. 16 And the free gift is not like the result of that one man's sin. For the judgment following one trespass brought condemnation, but the free gift following many trespasses brought justification. 17 For if, because of one man's trespass, death reigned through that one man, much more will those who receive the abundance of grace and the free gift of righteousness reign in life through the one man Jesus Christ. (Romans 5)
One man can make all the difference. Through one man, Adam, sin entered into all of humanity. Through one Man, Jesus Christ, payment has been made for sin which is able to cover all humanity. But the free gift of justification is different. It is abundant grace, not judgment. Death due to sin is universal; life through faith in Christ is by faith, the gift of gifts to be received. The first is an explosion of destruction into billions of parts; the lasster brings the pieces back together again into oneness in Christ. One Man makes all the difference.