The perseverance of the saints means that all those who are truly born again will be kept by God’s power and will persevere as Christians until the end of their lives and that only those who persevere until the end have been truly born again. - Wayne Grudem

The perseverance of the saints means that all those who are truly born again will be kept by God’s power and will persevere as Christians until the end of their lives and that only those who persevere until the end have been truly born again.

Wayne Grudem
Systematic Theology: An Introduction to Biblical Doctrine (p. 788)