Loren Eiseley quotes (American essayist, philosopher, and literary naturalist, 1907-1977)
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Leonardo da Vinci quotes (Italian draftsman, Painter, Sculptor, Architect and Engineer whose genius epitomized the Renaissance humanist ideal. 1452-1519)
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Albert Einstein quotes (German born American Physicist who developed the special and general theories of relativity. Nobel Prize for Physics in 1921. 1879-1955)
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Leo Nikolaevich Tolstoy quotes (Russian moral Thinker, Novelist and Philosopher, notable for his influence on Russian literature and politics. 1828-1910)
