ignorance is bliss

Ignorance is a lack of knowledge. Ignorance is sometimes misinterpreted as a synonym of stupidity, and is as thus often taken as an insult.In many cases ignorance is seen as a pleasant alternative to harsh reality.Willful ignorance (or vincible ignorance) is a bad faith decision to avoid becoming informed about something so as to avoid having to make undesirable decisions that such information might prompt.Ignorance is bliss is a phrase that comes from Thomas Gray's poem, "Ode on a Distant Prospect of Eton College" (1742): "Where ignorance is bliss, 'tis folly to be wise."
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ignorant people have nothing to worry about "The teacher said, ""Ignorance is bliss - until you write exams."""