What did european thinkers believe about the human mind in the 1700s

European thinkers felt that nothing was beyond the reach of the human mind. Through the use of reason, these thinkers believed that people and governments could solve every social, political, and economic problem. These writers and philosophers thought they could change the world. 

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Helmholtz has gotten into trouble while Bernard entertained. He wrote a poem about being alone, and he had foolishly decided to read it to his students during a lecture. They complained to higher authorities, who told Helmholtz that if anything else happened, he would no longer have his position.

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Source(s): http://www.gradesaver.com/brave-new-world/study-guide/summary-chapters-10-12