---
created_at: '2017-06-15T08:43:29.000Z'
title: The Usefulness of Useless Knowledge (1939) [pdf]
url: https://library.ias.edu/files/UsefulnessHarpers.pdf
author: wallflower
points: 154
story_text: 
comment_text: 
num_comments: 33
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created_at_i: 1497516209
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---
[Source](https://library.ias.edu/files/UsefulnessHarpers.pdf "Permalink to ")