When I found the second one, it was attributed to Jefferson, but it is unverified, apparently.
Jefferson quote Boy, trying to research that Hitler quote brought up a lot of hate stuff. I forget where I found that one, but I stopped looking for verification.
Yes, the third one is all me.
Here's another one:
"Every government degenerates when trusted to the rulers of the people alone. The people themselves are its only safe depositories."
Thomas Jefferson