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"The mutation of bacteria and viruses are merely hereditary fluctuations around a median position; a swing to the right, a swing to the left, but no final evolutionary effect."
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More by Pierre-Paul Grassé
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"I have been through a revolution, and I am convinced that I am no revolutionist. My childhood dreams of dying on the barricades will hardly be fulfilled, because I should hardly mount a barricade now …"
— Käthe Kollwitz
Art1867–1945
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