„The progressive development of man is vitally dependent on invention.“

— Nikola Tesla

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„Africa’s progress will depend on development that truly lifts countries from poverty to prosperity -- because people everywhere deserve the dignity of a life free from want.“
— Barack Obama
„Cultural systems will be treated as extensions of the power to learn, store, and transmit information, and the evolution of culture as dependent upon the biological development of these abilities and the cultural developments that actualize them. Man's increasing mastery over the natural world, with its increments of available energy use, can be seen from this point of view as one consequence of his capacity to learn, invent, borrow, store, and transmit the necessary technological and political inventions for the changes of scale involved in increasing utilization of energy. Instead of focusing attention on discontinuities — the invention of tool-making tools, the invention of agriculture, the invention of writing, and the invention of invention as a conscious pursuit—this discussion will focus on the continuities involved and on the extent to which older forms of communication, energy use, and social organization also undergo transformation in the course of cultural evolution.“
— Margaret Mead
„The entire vitality of art depends upon its being either full of truth, or full of use“
— John Ruskin
„Africa’s progress will also depend on security and peace -- because an essential part of human dignity is being safe and free from fear.“
— Barack Obama