[6] (However in the 1973 Hungarian TV miniseries The Adventures of Pirx he had a love interest, a budding journalist, Glória.
In this story, Lem also puts forth the idea that what may be perceived a human weakness is in fact an advantage over a perfect machine.
[10] In this tale Pirx succeeds because a human can hesitate, have doubts, but a robot cannot because it is programmed to be perfectly effective.
[11] In a sense, Pirx here is an anti-hero: he defeats the perfect robot due to his lack of resolution, mistakes, and his decency—the latter may also be perceived as a drawback, because it stands in the way of ideal effectiveness.
[12][13] In the opinion of Robert Stiller, Pirx "does not have to be, and is not a hero nor personality, nor an intellectual, only an average man in this profession; his adventures are sometimes on the verge of comedy and sometimes of drama.
[17] In the short story "Appendix Solariana" (2014) by Wiktor Żwikiewicz, Commander Pirx visits the Station by Solaris, possibly as another creation of the ocean-planet.