Arthur Conan Doyle,
The Great Boer War — Chapter 2 The Cause of Quarrel
(1900)
“ There might almost seem to be some subtle connection between the barrenness and worthlessness of a surface and the value of the minerals which lie beneath it. The craggy mountains of Western America, the arid plains of West Australia, the ice-bound gorges of the Klondyke, and the bare slopes of the Witwatersrand veld--these are the lids which cover the great treasure chests of the world. ”
