All questions continue to remain unanswered, he thought. I pass my life to try to ensure the justice of the criminals who have committed a series of crimes. Every now and then I can, but most of the time I fail. But when I arrive at the end of my life I will have to see that I have failed in what is the most important of the research. That extravagant mystery that is life will remain unsolved.
The protagonist reflects on the unending uncertainties surrounding life while grappling with his role in seeking justice for various criminals. He dedicates himself to this pursuit, achieving some success, yet frequently confronting failure. Each attempt seems dwarfed by the weight of unanswered questions that surround both his cases and life itself.
Ultimately, he worries that as he nears the end of his life, he will confront the realization that despite his efforts, the most profound mystery of existence will remain elusive and unresolved. This contemplation evokes a sense of existential frustration, underpinning the complexities of human experience that transcend the realm of justice.