Jesus died on the cross for the just/elect/saved whose names are written in the book of life.
John 3:5
Jesus answered: Amen, amen I say to thee, unless a man be born again of water and the Holy Ghost, he cannot enter into the kingdom of God.
John 3:20
For every one that doth evil hateth the light, and cometh not to the light, that his works may not be reproved.
John 3:21
But he that doth truth, cometh to the light, that his works may be made manifest, because they are done in God.