Thomas Jefferson, "Notes on the State of Virginia", Query 18
(In his denunciation of slavery as an extreme depravity, despite being a slave owner.)
http://xroads.virginia.edu/~hyper/JEFFERSON/ch18.html
Can the liberties of a nation be thought secure when we have removed their only firm basis, a conviction in the minds of the people that these liberties are of the Gift of God? I tremble for my country when I reflect that God is just: that his justice cannot sleep forever.

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