And when Scipio had spoken in this manner, and all his friends were awaiting in silence the rest of his discourse, then said Tubero: Since these men who are older than I, my Scipio, make no fresh demands on you, I shall take the liberty to tell you what I particularly wish you would explain in your subsequent remarks.
Do so, said Scipio, and I shall be glad to hear.
Then Tubero said: You appear to me to have spoken a panegyric on our Commonwealth of Rome exclusively, though Laelius requested your views not only of the government of our own State, but of the policy of states in general.

I have not, therefore, yet sufficiently learned from your discourse, with respect to that mixed form of government you most approve, by what discipline, moral and legal, we may be best able to establish and maintain it.
XXXIX.

Africanus replied: I think that we shall soon find an occasion better adapted to the discussion you have proposed, respecting the constitution and conservatism of states.

As to the best form of government, I think on this point I have sufficiently answered the question of Laelius.

For in answering him, I, in the first place, specifically noticed the three simple forms of government--monarchy, aristocracy, and democracy; and the three vicious constitutions contrary to them, into which they often degenerate; and I said that none of these forms, taken separately, was absolutely good; but I described as preferable to either of them that mixed government which is composed of a proper amalgamation of these simple ingredients.