A modified version of the phrase is used in the novel Peace on Earth by Stanisław Lem ("Ceterum censeo humanitatem preservandam esse"—"Furthermore, I consider that mankind must be saved").
Romaanis "Rahu maa peal" kasutas Stanisław Lem Cato väljendi mugandust "Ceterum censeo humanitatem preservandam esse" — "Muide, ma arvan, et inimkond tuleb päästa".