Very quaint is the part of the second book which deals with inequality between married people. Štitný writes: "It is necessary that those who wish to marry should all seek their equals, so that inequality may not cause discord and displeasure. If you are young, beware of old people, and one of noble birth should seek his equal, for often evil is caused by that discord (which arises) when those who are very unequal marry. If an old man marries some one younger, he ever fears that the younger one may not love him, and being therefore anxious about this, he does not feel complete love for his partner, for where there is suspicion there cannot be complete love. Also the humours of the young do not please the old, nor those of the old the young. Some one indeed said, and he spoke the truth, 'When I was young the old people did not please me, and now that I am old, the young people do not please me.' And even if an old man does not displease a young wife, and even if she is good, yet will she not be free from the lies of evil people. They will indeed give her evil advice, saying, with mischievous intent, 'What an old husband you have!...' And then evil people will in the fields sing songs about them, the devil instigating them to do so, for he wishes to corrupt a good woman, to bring before her mind what she had not thought of, so that she may be seized by longing. And it will be precisely the same thing with a young man who has an old wife. Jesting with them, people will say to him, 'There is your beauty! why, it is your mother!'" In this book Štitný constantly praises the state of celibacy, strictly in accordance with the doctrine of the Church of Rome.