The only reason people do not know much is because they do not care to know. They are incurious. Incuriousity is the oddest and most foolish failing there is.

much of what other people know isn’t worth knowing.

People don't care how much you know unless you know how much you care

People not only don't know what's happening to them, they don't even know that they don't know.

The things most people want to know about are usually none of their business.

The problem ain't what people know. It's what people know that ain't so that's the problem.

People don’t care how much you know. They want to know how much you care.

And yet all I have said is but from common reading. And, let me ask, why, because we know but little, we are to be supposed to know nothing?

They never tell you why they are doing anything. That way you don't find out they don't know themselves.

« You only think you know, as a matter of fact. And most of your actions are based on incomplete knowledge and you really don’t know what it is all about, or what the purpose of the world is, or know a great deal of other things. It is possible to live and not know.

People don't care what you know until they know that you care.

Most people know nothing about learning; many despise it. Dummies reject as too hard whatever is not dumb.

Our discreditable secret is that we don't know anything at all, and our horrid inner secret is that we don't care that we don't.

For the most part people are not curious except about themselves.