[ Massachusetts constitution] was [John Adams] attempt to justify that structure by the traditional notion of social estates - that the executive represented the monarchical estate, the senate the aristocratic estate, and the house of representatives the estate of the people.
Gordon S. WoodThis rationale, which justified the mixed constitution of Great Britain, might have made some sense in 1776, but by 1787 most American thinkers had come to believe that all parts of their balanced governments represented in one way or another the sovereign people. They had left the Aristotelian idea of mixed estates - monarchy, aristocracy, and democracy - way behind. [John] Adams had not, and his stubbornness on this point caused him no end of trouble.
Gordon S. WoodA mutual friend, Benjamin Rush, brought [Tomas Jefferson and John Adams] together in 1812, and they went on to exchange letters for the rest of their lives. But in their correspondence they tended to avoid the most controversial issues, such as slavery.
Gordon S. Wood[John Adams] experience with the French philosophers only convinced him further of the need for a bicameral legislature representing the two principal social orders and, equally important, an independent executive.
Gordon S. WoodAs early as 1776, [John Adams] expressed his doubts about America's capacity for virtue. "I have seen all along my Life, Such Selfishness, and Littleness even in New England, that I sometimes tremble to think that, altho We are engaged in the best Cause that ever employed the Human Heart, yet the Prospect of success is doubtfull not for Want of Power or of Wisdom, but of Virtue."
Gordon S. Wood