"Go to the place where the thing you wish to know is native; your best teacher is there. Where the thing you wish to know is so dominant that you must breathe its very atmosphere, there teaching is moat thorough, and learning is most easy. You acquire a language most readily in the country where it is spoken; you study mineralogy boat among miners; and so with everything else."

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For extending its sway, partly by force of arms, partly by the voluntary submission of weaker tribes, the community soon acquires wealth and slaves, both of which, by relieving some classes from the perpetual struggle for a bare subsistence, afford them an opportunity of devoting themselves to that disinterested pursuit of knowledge which is the noblest and most powerful instrument to ameliorate the lot of man.

— James G. Frazer