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.

When you are young you are curious to know all about everything, why the sun shines, what the stars are, all about the moon and the world around us; but as we grow older, knowledge becomes a mere collection of information without any feeling.

Learning these stories will inevitably enrich your life. It might even lengthen it. Curiosity, it turns out, is conducive to health and happiness, as scores of social scientists have documented. Curious people, not surprisingly, are likely to learn more and to retain more of what they learn. Curious people are likely to be more attractive to others, as people are attracted to those who seem interested in them. Curiosity also leads to empathy, an emotion that seems in short supply today. Curious people are likely to be healthier, and to experience less anxiety in particular, because they see new situations as an opportunity to learn rather than an opportunity to realize that they don’t know enough. Curious people are also, according to some studies, likely to live longer, presumably because they are more engaged with the world around them.

The public have an insatiable curiosity to know everything, except what is worth knowing.

[77] Pride. Curiosity is only vanity. We usually only want to know something so that we can talk about it; in other words, we would never travel by sea if it meant never talking about it, and for the sheer pleasure of seeing things we could never hope to describe to others.

There have always been ignorant people, but they haven't always had college degrees to make them unaware of their ignorance. Some people imagine that they are well informed because they have memorized a whole galaxy of trendy dogmas and fashionable attitudes.

We don’t know enough about ourselves. I think it’s better to know that you don’t know, that way you can grow with the mystery as the mystery grows in you. But, these days, of course, everybody knows everything, that’s why so many people are so lost.

Curious people are likely to be more attractive to others, as people are attracted to those who seem interested in them. Curiosity also leads to empathy, an emotion that seems in short supply today.

Curiosity is only vanity. We usually only want to know something so that we can talk about it.

I want to know everything; my curiosity is boundless

Aimless extension of knowledge, however, which is what I think you really mean by the term curiosity, is merely inefficiency. I am designed to avoid inefficiency.

Yet like many other human traits that made sense in past ages but cause trouble in the modern age, the knowledge illusion has its downside. The world is becoming ever more complex, and people fail to realise just how ignorant they are of what’s going on. Consequently some who know next to nothing about meteorology or biology nevertheless propose policies regarding climate change and genetically modified crops, while others hold extremely strong views about what should be done in Iraq or Ukraine without being able to locate these countries on a map. People rarely appreciate their ignorance, because they lock themselves inside an echo chamber of like-minded friends and self-confirming newsfeeds, where their beliefs are constantly reinforced and seldom challenged.
Providing people with more and better information is unlikely to improve matters. Scientists hope to dispel wrong views by better science education, and pundits hope to sway public opinion on issues such as Obamacare or global warming by presenting the public with accurate facts and expert reports. Such hopes are grounded in a misunderstanding of how humans actually think. Most of our views are shaped by communal groupthink rather than individual rationality, and we hold on to these views out of group loyalty. Bombarding people with facts and exposing their individual ignorance is likely to backfire. Most people don’t like too many facts, and they certainly don’t like to feel stupid. Don’t be so sure that you can convince Tea Party supporters of the truth of global warming by presenting them with sheets of statistical data.

The trouble with the world is not that people know too little; it's that they know so many things that just aren't so.

So blind is the curiosity by which mortals are possessed, that they often conduct their minds along unexplored routes, having no reason to hope for success, but merely being willing to risk the experiment of finding whether the truth they seek lies there.