Vague generalities derive from vague particulars.
Erring
Error is boundless.
Nor hope nor doubt,
Though both be groundless,
Will average out.
—Cunningham
Who does not publicly acknowledge his errors soon forgets that he made them.
The fault lies ever in demand and not supply.
The worst thing about small errors is the way they retard one’s progress toward large ones.
We credit vaccines with what we owe to sanitation, and the rest of medicine with what we owe to vaccines.
“If you’re so smart, why aren’t you rich?”
“Market failure.”
Chico Marx: “Who ya gonna believe, me or your own eyes?”
Modern Social Science: “The plural of anecdote is not data.”
There is a modern branch of psychology, which deserves its own name, devoted to enumerating the defects of character in people who hold unauthorized opinions.
When you encounter what seems inexplicable, check that it exists.
I fought the Zeitgeist and the Zeitgeist won.