----But this, _Triptolemus_, cried _Didius_, proves too much--for from this authority cited it would follow, not only what indeed is granted on all sides, that the mother is not of kin to her child--but the father likewise. ----It is held, said _Triptolemus_, the better opinion; because the father, the mother, and the child, though they be three persons, yet are they but (_una caro_[4.13]) one flesh; and consequently no degree of kindred----or any method of acquiring one _in nature_. ----There you push the argument again too far, cried _Didius_----for there is no prohibition _in nature_, though there is in the Levitical law----but that a man may beget a child upon his grandmother----in which case, supposing the issue a daughter, she would stand in relation both of ----But who ever thought, cried _Kysarcius_, of lying with his grandmother? ------The young gentleman, replied _Yorick_, whom _Selden_ speaks of----who not only thought of it, but justified his intention to his father by the argument drawn from the law of retaliation. --"You lay, Sir, with my mother," said the lad-- "why may not I lie with yours?" ----'Tis the _Argumentum commune_, added _Yorick_. ----'Tis as good, replied _Eugenius_, taking down his hat, as they deserve.
The company broke up.
[Footnote 4.10: Vide Swinburn on Testaments, Part 7, 8.]

'But Triptolemus,' cried Didius, 'from this it would follow, not only that the mother is not of kin to her child - but the father likewise.'
'It is held,' said Triptolemus, 'that the father, the mother, and the child, though they be three persons, yet are they but one flesh; and consequently no degree of kindred.'
'There you push the argument again too far,' cried Didius, 'for there is no prohibition in nature - though there is in the Bible - to prevent a man from begetting a child upon his grandmother - in which case, supposing the issue a daughter, she would stand in relation both of-'
'But who ever thought,' cried Kysarcius, 'of lying with his grandmother?'
'A young gentleman in one case,' replied Yorick, 'not only thought of it, but justified his intention to his father by the law of retaliation. "You lay, Sir, with my mother," said the lad; "why may not I lie with yours?" 'Tis the Argumentum commune - the argument of the common public.'
''Tis as good,' replied Eugenius, 'as they deserve.'
The company broke up.