De Divinatione

De Divinatione is set in two books, taking the form of a dialogue whose interlocutors are Cicero himself (speaking mostly in Book II, and including a fragment of Cicero's poem on his own consulship) and his brother Quintus.

mania, "madness"), especially dreams, and the type which occurs via some form of skill of interpretation (i.e., haruspicy, extispicy, augury, astrology, and other oracles).

[1] The dialogue consists of two books, in the first Quintus enumerates the different kinds or classes of divination, with reasons in their favour.

[2] Quintus offers various accounts of the different kinds of omens, dreams, portents, and divinations.

[2] In the second book Cicero provides arguments against auguries, auspices, astrology, lots, dreams, and every species of omens and prodigies.

First-century AD bust of Cicero in the Capitoline Museums , Rome.
Bound edition of De divinatione and De fato , 1828
Marcus Tullius Cicero
Marcus Tullius Cicero