The answer to your question is complex and multifaceted.

The Complexity of Faith, Works, and Justice

The answer to your question is complex and multifaceted. From the quoted passages, it is clear that in the theological approach the connection between faith and works takes center stage. On one hand, there is the conviction that true faith is manifested in actions, as exemplified by one of the excerpts:

"Thus the Son of Man will come and give each one his reward according to his works (Matt. 25:31)… but was not

Abraham, your father, justified by works when he offered Isaac his son on the altar?

You see that faith was active along with his works, and faith was completed by works (James 2:22), that is, faith by itself, if it does not have works, is dead (James 2:20)."
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This emphasizes that faith and actions are closely intertwined: true faith does not exist without works, which are its expression. It suggests that a person should be evaluated not only by what they claim, but by how this faith is embodied in their actions.

On the other hand, Apostle Paul clearly states:

"We acknowledge that a person is justified by faith apart from the works of the law."
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This view indicates that a person's justification is determined by the depth of their faith rather than merely by external actions, which Paul considered, in a certain context, more significant.

Furthermore, one excerpt points out that true justice implies personal responsibility and an individual approach:

"Let each one soberly assess his own deeds; then, without comparing himself with others, he will find satisfaction in what he has achieved, for each will have to bear his own burden… Whether he is a Jew (as the first one) or a Gentile, God looks not on the face."
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This reflects the idea that objective evaluation should take into account the personal deeds of each individual regardless of their affiliation or faith.

Finally, Lewis, in his philosophical reflections, emphasizes that even with strict measures of justice, mercy is essential:

"Hope for pardon—and yet do not hope. Whatever the sentence, you cannot call it just… Yet this justice is something special. We are the condemned. And yet, the condemned are in some way special..."
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This approach suggests that ultimate judgment should rely not solely on the material balance of faith and works, but also on mercy, which transcends the rigid human understanding of justice.

Thus, in the context considered, a fair evaluation of a person becomes comprehensive and cannot be reduced to a single criterion—neither solely to works nor solely to faith. True assessment includes both the inner state of a person (their deep faith) and its manifestation in deeds. This understanding underlines that true justice is characterized by a merciful component and takes into account each person's personal effort in striving for good.