“3570. No Fool like the old Fool.”
Introductio ad prudentiam: Part II (1727), Gnomologia (1732)
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Thomas Fuller (writer) 420
British physician, preacher, and intellectual 1654–1734Related quotes

“Young men think old men are fools; but old men know young men are fools.”
Act V, scene i.
All Fools (1605)
“The whole point of extravagance is to act like a fool and feel like a fool, but enjoy it.”
Source: The Stars My Destination

Speech in http://georgewbush-whitehouse.archives.gov/news/releases/2002/09/20020917-7.html Nashville, Tennessee, (September 17, 2002), in which the president confused a centuries-old proverb ("Fool me once, shame on you; fool me twice, shame on me.")
2000s, 2002