Opinion | The Surprising Allure of Ignorance

Aristotle taught that all human beings want to know.Our own experience teaches us that all human beings also want not to know, sometimes fiercely so.

This has always been true, but there are certain historical periods when the denial of evident truths seems to be gaining the upper hand, as if some psychological virus were spreading by unknown means, the antidote suddenly powerless.This is one of those periods.Increasing numbers of people today reject reasoning as a fool’s game that only cloaks the machinations of power.

Others think instead that they have a special access to truth that exempts them from questioning, like a draft deferment.Mesmerized crowds follow preposterous prophets, irrational rumors trigger fanatical acts and magical thinking crowds out common sense and expertise.

And to top it off we have elite prophets of ignorance, those learned despisers of learning who idealize “the people” and encourage them to resist doubt and build ramparts around their fixed beliefs.It is always possible to find proximate historical causes of these upsurges in the irrational — war, economic collapse, social change.But doing so can distract us from recognizing that the ultimate source lies deeper, in ourselves and in the world itself.The world is a recalcitrant place, and there are things about it we would prefer not to recognize.

Some are uncomfortable truths about ourselves; those are the hardest to accept.Others are truths about the reality around us that, once revealed, steal from us beliefs and feelings that have somehow made our lives better, easier to live — or at least to seem that way.

The experience of disenchantment is as painful as it is common, and it is not surprising that a verse from an otherwise forgotten English poem became a common proverb: Ignorance is bliss.We can all find reasons we and others avoid knowing particular things, and many of those reasons are perfectly rational.A trapeze artist about to climb the pole would be unwise to ...