Romans 8:3-4
For what the law was not able to do [for mankind], since it was [too] weak [to deliver them from condemnation] because fleshly people [were unable to obey it perfectly], God condemned sin in the flesh [i.e., sin was declared evil and its power over man broken]. God did this by sending His own Son in a body like sinful man's, and to destroy sin,
Romans 10:4
So, Christ has brought an end to the law [as a means] of being made right with God for every person who believes [in Him].
Hebrews 2:10
For it was fitting that God, for whom and through whom everything exists, in order to lead many [of His] children to glory [i.e., heaven], would make the author [or, pioneer] of their salvation [i.e., Jesus] completely [qualified] through [His] sufferings.