The wisest of the wise may err.
Aeschylus
I think that that's the wisest thing - to prevent illness before we try to cure something.
Maya Angelou
The public is wiser than the wisest critic.
George Bancroft
The greatest scholars are not usually the wisest people.
Geoffrey Chaucer
Only the wisest and stupidest of men never change.
Confucius
A little nonsense now and then is relished by the wisest men.
Roald Dahl
Even the weakest disputant is made so conceited by what he calls religion, as to think himself wiser than the wisest who think differently from him.
Walter Savage Landor
Regarding life, the wisest men of all ages have judged alike: it is worthless.
Friedrich Nietzsche
Time is the wisest counselor of all.
Pericles
The days that are still to come are the wisest witnesses.
Pindar