"[302]

Tombs of John and Abigail Adams (far) and John Quincy and Louisa Adams (near), in family crypt at United First Parish Church
Peacefield - John Adams' Home
On July 4, 1826, the 50th anniversary of the adoption of the Declaration of Independence, Adams died at Peacefield at approximately 6:20 pm.[303] His last words included an acknowledgement of his longtime friend and rival: "Thomas Jefferson survives."Adams was unaware that Jefferson had died several hours before.[304][305]
At 90, Adams was the longest-lived US president until Ronald Reagan surpassed him in 2001.[306]
John and Abigail Adams's crypt at United First Parish Church in Quincy, Massachusetts, also contains the bodies of John Quincy and Louisa Adams.[307]

Political writings
Thoughts on Government
Thoughts on Government (1776)
During the First Continental Congress, Adams was sometimes solicited for his views on government. While recognizing its importance, Adams had privately criticized Thomas Paine's 1776 pamphlet Common Sense, which attacked all forms of monarchy, even constitutional monarchy of the sort advocated by John Locke. It supported a unicameral legislature and a weak executive elected by the legislature. According to Adams, the author had "a better hand at pulling down than building.