What does the Bible say about resting in Christ vs. working for salvation?

In Hebrews, the theme contrasts law and grace, emphasizing that one cannot mix the two. The writer of Hebrews illustrates that we are either laboring under the weight of the law or resting in Christ's finished work. The law reveals our sin and inability to please God, while grace provides us the righteousness of Christ, which we must receive freely by faith. Thus, resting is crucial for believers, as it signifies reliance on Christ's righteousness, which is accomplished entirely by His grace. In essence, we are not to work for our salvation, as any attempt at self-justification leads to spiritual bondage and ultimately death.