Paul's teaching on righteousness in Christ reveals an astonishing truth: the grace bestowed by God through redemption transforms a person, but it does not eliminate his natural propensity to sin. Even receiving this undeserved gift does not imply an immediate and complete change in one’s human essence—every believer remains imperfect, continually facing the challenges of their own nature.
Faithfulness to God means deep, all-permeating trust and devotion, where the believer wholly relies on God even in moments of trials and uncertainty. It is not only a conviction in the existence of the Higher Being, but also an active expression of that faith through everyday actions, the constant fulfillment of one's duty, and sincere good deeds. This approach helps a person view their destiny as a complete work of creation, where every moment is an opportunity to express loyalty to their Savior.
The concept of the Kingdom of God is multifaceted. On one hand, it signifies God's reign – not so much a specific geographical or external establishment, but rather the realization of God's will in human existence. On the other hand, the Kingdom of God is described as an inner, spiritual reality that dwells in the human heart.
The idea that after death, parts of Christians are sent to heaven and hell can be interpreted as the division of the soul into substantially distinct components, each of which obtains a corresponding fate depending on the spiritual state of the person. This interpretation suggests that the soul contains aspects inclined toward both a luminous and a dark perception of existence. For instance, one cited material states:
True Christianity is determined first and foremost by an inner, sincere faith that inevitably manifests itself in actions and changes of the heart, rather than merely by formal self-identification. The cited sources stress that the true condition of the soul, sanctified by faith, endows every pious deed with meaning and value. In particular, it is noted: