As an advocate of what is essentially a Reformed perspective regarding issues related to soteriology, I fully subscribe to the idea that those whom God has chosen for salvation shall, in the end, be saved. I would gladly affirm what the Westminster Confessional describes concerning the Perseverance and Preservation of the Saints.
“They, whom God hath accepted in His Beloved, effectually called, and sanctified by His Spirit, can neither totally nor finally fall away from the state of grace, but shall certainly persevere therein to the end, and be eternally saved. (Phil. 1:6, 2 Pet. 1:10, 1 John 3:9, 1 Pet. 1:5,9)” (Westminster Confession of Faith, XVII)
But I’m not a fan of the title “eternal security” because I don’t believe it rightly emphasizes the importance of both God’s sovereign work in carrying us to completion along with the fact that people are responsible to respond to God’s grace. And I absolutely deplore the term “once saved, always saved” because it has been used to undermine the biblical concept of sanctification and has polluted the water around the issue of salvation. Frankly, there have been innumerable people who have walked around believing that they can live however the want while doing whatever they want because they “made a decision” at some point and were “saved.” This is where I find a lot to commend with Scot McKnight’s recent book, The King Jesus Gospel. Yes, you can be a “Calvinist” and still love much of McKnight’s work and even say, “Amen” to his Jesus-centered theological constructs… especially when the kingdom of God is so prevalent in his writings!