Jesus Christ taught that "unless one is born again he cannot see the kingdom of God". ([[Gospel of John|John]] 3:3) Protestant Evangelical Christianity often uses the terms "saved" and "born again" to mean conversion, while other Christians, such as the Roman Catholic Church and the Orthodox Church, use the phrase ''born again'' as a synonym for [[baptism|baptized]].
Christians are expected to continue living by Christ's teachings (John 8:31), as is appropriate for "children of Light". (Ephesians 5:8-10) Some believe that this is necessary in order to be saved. Others say that this is a common misconception of the text, that it refers instead to the "fruits" of saving faith. Still others say that the free, unmerited gift of salvation from sin and death in hell must be maintained or retained by actively producing the fruits of [[corporal and spiritual works of mercy]] according to ability, or it will be lost (Ephesians 2:8-10; Hebrews 6:4-8), unless before death the fallen away believer repents and returns (James 5:19-20; 1 John 5:16-17). Christians in the [[Reformed]] tradition (following the teaching of the 16th century French lawyer and theologian [[John Calvin]]) say that salvation cannot be lost. One Bible passage often cited is John 10:28-29 in which Jesus said of his own Apostles that they could not be snatched from his hand.
== Resurrection of Jesus Christ ==