As a rule we disbelieve all the facts and theories for which we have no use.

Summary

This quote suggests that people tend to doubt or reject any information or theories that do not serve a particular purpose or benefit them in some way. Rather than objectively evaluating the validity of facts or theories, individuals often prioritize personal convenience or utility. This implies that people are more likely to accept ideas that align with their beliefs or biases and reject knowledge that challenges their preconceived notions. The quote underscores the tendency of human beings to selectively accept information that confirms their existing beliefs and disregard anything that does not immediately seem useful to them.

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