In the first paragraph of the last chapter (XXIX) of his book Cruz severely criticized "a filthy abomination, which is that they are so given to the accursed sin of unnatural vice, which is in no way reproved among them." The rest of the chapter, entitled "Of some punishments from God which the Chinas received in the year of fifty-six", discusses the 1556 Shaanxi earthquake and certain flooding events of the same year, which da Cruz views as God's punishment for "this sin".