Ever heard the expression, “There’s no such thing as being a little bit pregnant”? It’s used to expose people when they try to underplay something in an inappropriate way. (“I sort of told a lie.”O The fact is, some things are simply either/or. Either you told a lie or you didn’t. Either you’re pregnant or you’re not.
But, then again, pregnancy is progressive–from conception to delivery.
Is that a contradiction? No. We’re comparing apples and oranges. The development of a fetus is not in conflict with the status of being pregnant. One is either/or and the other is gradual but they both reflect the same reality.
This simple illustration might show you why I was so frustrated to hear of educated theological popularizers who demanded a “nanosecond” between justification and sanctification in order to “protect” one from the other–typically to protect justification from sanctification (no one seems really to worry about the integrity of sanctification that much).
The Westminster Larger Catechism is a good guide for this:
Q77: Wherein do justification and sanctification differ?
A77: Although sanctification be inseparably joined with justification, yet they differ, in that God in justification imputeth the righteousness of Christ; in sanctification his Spirit infuseth grace, and enableth to the exercise thereof; in the former, sin is pardoned; in the other, it is subdued: the one doth equally free all believers from the revenging wrath of God, and that perfectly in this life, that they never fall into condemnation; the other is neither equal in all, nor in this life perfect in any, but growing up to perfection.
There is nothing here or anywhere else about the difference lying in differing moments, seconds, or even nanoseconds between when justification and sanctification begin. On the contrary, they are “inseparably joined.” There is not a point in time when one is found without the other.
This is amply illustrated by looking at an earlier question in the Westminster Larger Catechism:
Q67: What is effectual calling?
A67: Effectual calling is the work of God’s almighty power and grace, whereby (out of his free and special love to his elect, and from nothing in them moving him thereunto) he doth, in his accepted time, invite and draw them to Jesus Christ, by his word and Spirit; savingly enlightening their minds, renewing and powerfully determining their wills, so as they (although in themselves dead in sin) are hereby made willing and able freely to answer his call, and to accept and embrace the grace offered and conveyed therein.
The catechism is speaking here of the inception of saving, or justifying, faith. One embraces “the grace offered and conveyed” in God’s mighty call by “accepting, receiving, and resting upon Christ alone for justification, sanctification, and eternal life, by virtue of the covenant of grace” (Westminster Confession of Faith, Chapter 14, Paragraph 2).
An immense attitudinal and behavioral change is produced by this “work of God’s almighty power and grace.” Quite obviously, this is a description of the beginning of sanctification as well as of justification. To say that justification precedes sanctification, even for a nanosecond, is to deny justification by faith alone. Actually, it is to deny justification by faith at all. The only way to get around this implication would be to claim that justifying faith is within the ethical ability of a human being without God’s saving grace. But no sinner trusts in Christ unless God’s Spirit works in his heart to believe.
If we keep in mind the difference between a legal status and a transformation of character, we see how they can begin simultaneously without being in any way confused with one another. In fact, to even assert the need for some difference in time of inception, implies confusion either of the nature of justification or of sanctification. If one was thinking clearly, there would have never been any need to postulate the fictional nanosecond.