We can now see that the tendency-one may almost call it a law of nature-which everywhere over the world has tempted or forced a strong civilised power to go on conquering the savage or half-civilised peoples on its borders, the process that has carried the English all over India and brought the Russians from the Volga to the Pamirs in one direction and to the mouth of the amur in another, was certain to compel the British Government to subdue and annex one Kafir tribe after another until either a desert or the territory of some other civilised State was reached.
"Impressions of South Africa"
James Bryce
The amur, Altai, Yenesei, and even Yakutsk provinces.
"From Paris to New York by Land"
Harry de Windt
In short, if we except the sea of amur, and the Japanese Archipelago, which still remain imperfectly known to Europeans, he has completed the hydrography of the habitable globe.
"A General History and Collection of Voyages and Travels, Volume 16"
Robert Kerr