Within the domain of historical reformed theology, the practice of using two-line reasoning is generally viewed with suspicion due to its apparent inconsistency. The fundamental tenet of reformed theology centers on protecting the gospel of justification by faith, which asserts that true faith is properly understood as the application of justification by faith within its particular setting. The ultimate aim of this protection is to uphold the belief that salvation cannot be achieved through human endeavors, but rather solely through the grace, faith, and Christ.The term "justification" encompasses various definitions, such as a gospel notion of forgiveness for sins and a legal statement of being not guilty. Advocating for justification by faith involves the belief that saints are exonerated of any wrongdoing in the eyes of God. Nonetheless, the process of becoming sanctified can create a state of tension that leaves saints susceptible to scrutiny. Nonetheless, there are numerous reasons to justify regarding saints as blameless.It is my stance, with regard to the doctrine of Justification by faith, that the portrayal of God's relationship with Israel in the Old Testament does not pertain to His chosen ones, despite His labeling them as obstinate, disobedient, and lacking in attentiveness.The conclusion drawn by those who adhere to the two-line belief can be attributed to the manner in which God addresses His people in Deuteronomy's law, emphasizing the importance of adhering to the law as a means of fulfilling the covenant. The specifics of the law and its compliance requirements are outlined explicitly. However, it is crucial to consider the application of Deuteronomy's teachings in the context of worship.My assertion is that the law was communicated by means of the language used in the Psalms, which mirrors the societal norms and values of the era. By committing the Psalms to memory and mastering their linguistic expressions, one acquires entrance to the spiritual insights conveyed in the remainder of the Old Testament, which employ the same vernacular utilized in the Psalms. Comprehensive understanding of this vernacular is imperative to fully comprehend the subtleties of the Old Testament and evade simplification and decontextualization of its teachings. A more profound comprehension of the cultural background of the Psalms is necessary to appreciate the personal and intimate way in which the ancients approached their relationship with God.