The idea that not knowing about problems, unpleasant truths, or complex issues can lead to greater happiness and peace of mind. It suggests that knowledge sometimes brings worry or unhappiness.
The phrase comes from Thomas Gray's 1742 poem "Ode on a Distant Prospect of Eton College," where he wrote "where ignorance is bliss, 'tis folly to be wise." Gray was reflecting on how childhood innocence shields us from adult concerns and knowledge of life's difficulties.
This phrase presents one of philosophy's enduring dilemmas: whether knowledge or ignorance leads to greater happiness. It's often quoted ironically in our information age, where willful ignorance is generally viewed negatively, yet many people still find truth in the idea that some knowledge brings only suffering.
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