The wisest have the most authority.
Plato
When defeat is inevitable, it is wisest to yield.
Quintilian
The wisest mind has something yet to learn.
George Santayana
I am the wisest man alive, for I know one thing, and that is that I know nothing.
Socrates
The wisest man may be a blind father.
Jules Verne
The wisest prophets make sure of the event first.
Horace Walpole