" Quinquenemarians, for example, the inhabitants of torrid Antelena, who freeze at 600 degrees Celsius, don’t even want to hear of Heaven, whereas descriptions of Hell awake in them a lively interest, and this because of the favorable conditions that obtain there (bubbling tar, flames). Moreover it is unclear which of them may enter the priesthood, for they have five separate sexes—not an easy problem for the theologians. "

― Stanisław Lem , The Star Diaries: Further Reminiscences of Ijon Tichy