Only the wisest and stupidest of men never change.
— Confucius

Thinking well to be wise: planning well, wiser: doing well wisest and best of all.
Malcolm Stevenson Forbes wisest quote

There is a difference between happiness and wisdom: he that thinks himself the happiest man is really so; but he that thinks himself the wisest is generally the greatest fool.
— Francis Bacon

Time is the wisest of all counselors.
— Plutarch

It is the briefest yet wisest maxim which tells us to meddle not.
— wisest quotation by Charles Caleb Colton