“Suffer fools gladly; they may be right.”
Platitudes in the Making http://books.google.com/books?id=r8trG_FywFAC&q=%22Suffer+fools+gladly+they+may+be+right%22&pg=PA20#v=onepage (1911)
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Holbrook Jackson 6
British journalist 1874–1948Related quotes

Reflections
Original: (fr) M... me disait que j'avais un grand malheur: c'était de ne pas me faire à la toute-puissance des sots. Il avait raison, et j'ai vu qu'en entrant dans le monde, un sot avait de grands avantages, celui de se trouver parmi ses pairs. C'est comme frère Lourdis dans le temple de la Sottise.
Original: (fr) Maximes et Pensées, #197

“Several people have told me that my inability to suffer fools gladly is one of my main weaknesses.”
Dijkstra (1978) The pragmatic engineer versus the scientific designer http://www.cs.utexas.edu/users/EWD/transcriptions/EWD06xx/EWD690.html (EWD 690).
1970s

“The hopes of the right-minded may be realized, those of fools are impossible.”
Source Book in Ancient Philosophy (1907), The Golden Sayings of Democritus

The smartest of my pupils would get all my attention, and the rest would have to fend for themselves. And I can’t handle being interrupted.
Writing is the answer. Whatever I have to teach, my students will select themselves by buying the book. And nobody interrupts a printed page.
Foreword: Playgrounds for the Mind (pp. 26-27)
Short fiction, N-Space (1990)

Kingman Brewster, Jr..
Misattributed
The Enduring American Press (October 1964) edited by The Hartford Courant

“There is no right I would not gladly forgo to expand your power.”
Ron English's Fauxlosophy: Volume 2 (2022)