„The deepest urge in human nature is the desire to be important.“

— John Dewey

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„…the side that feels the lesser urge for peace will naturally get the better bargain.“
— Carl von Clausewitz
„Invention is the most important product of man's creative brain. The ultimate purpose is the complete mastery of mind over the material world, the harnessing of human nature to human needs.“
— Nikola Tesla
„All men by nature desire knowledge.“
— Aristotle