Testing and Holding Fast to Good in 1 Thessalonians 5:21

This truth addresses the importance of discernment in the life of a believer, as they navigate various teachings and influences. Paul writes in 1 Thessalonians 5:21 that believers should test everything and hold fast to what is good, emphasizing the need for careful evaluation and commitment to sound doctrine. This exhortation is rooted in the idea that not all teachings are equally valid, and that believers must be diligent in distinguishing between truth and error.

In order to test everything, believers must be grounded in Scripture, using it as their ultimate standard for evaluating all claims and teachings. This involves developing a deep understanding of biblical doctrine and being able to apply it to various situations and ideas. By doing so, believers can identify what is good and hold fast to it, while rejecting what is false or misleading.

This principle is closely tied to the Reformed emphasis on the sufficiency of Scripture, which affirms that Scripture is the final authority in all matters of faith and practice. As believers seek to test everything and hold fast to what is good, they must do so with humility and a willingness to submit to the teachings of Scripture, rather than relying on personal opinion or experience. By doing so, they can cultivate a deep trust in God's Word and a commitment to living in accordance with its teachings.