Common Quote by Charles Horton Cooley

There is but a slight difference between the man who may be said to know nothing and him who thinks he knows everything.

— Edwin Hubbel Chapin

When we examine the opinions of men, we find that nothing is more uncommon, than common sense; or, in other words, they lack judgment…

— Baron d'Holbach

It's one thing for a man not to know, not to have learned; it's another not to be able to live by what one…

— Bernard Malamud

If a man really knew himself he would utterly despise the ignorant notions others might form on a subject in which he had such…

— George Santayana

The views of men can only be known, or guessed at, by their words or actions.

— George Washington

I don't think it's meant for man to know everything at once.

— B. B. King

You can always tell when a man's well informed. His views are pretty much like your own.

— H. Jackson Brown, Jr

I am disillusioned enough to know that no man's opinion on any subject is worth a damn unless backed up with enough genuine information…

— H. P. Lovecraft

It is a tragedy of the world that no one knows what he doesn't know - the less a man knows, the more sure…

— Joyce Cary

It is the tragedy of the world that no one knows what he doesn't know - and the less a man knows, the more…

— Joyce Cary

It is impossible for a man to learn what he thinks he already knows.

— Epictetus

No knowledge can be more satisfactory to a man than that of his own frame, its parts, their functions and actions.

— Thomas Jefferson