| http://www.w3.org/ns/prov#value | - there is not only those who study books to learn, but also those who take on experimenting themself by practical application, and also those who take study and question it and discover more and other interesting things, thats why the world progresses, not because we all read the same books, but because we are all unique and want to know as much as we can in our field of interest.
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