...We are rational beings and ought to free ourselves from the fatality of environment, moulding it to our convenience... 
Vicente Blasco Ibanez Charlotte Brewster Jordan 「The Four Horsemen of the Apocalypse」
...Count it, if you please, a friendly loan to be repaid entirely at your convenience...
Rafael Sabatini 「Captain Blood」
...It is for you to say when it will suit your convenience to kill me...
Rafael Sabatini 「Scaramouche」
... Now, in reference to a suitable locality for a settlement for myself, I could not conscientiously ask them to abandon their defenses for my convenience alone...
David Livingstone 「Missionary Travels and Researches in South Africa」
...A path, however narrow, is a great convenience, as any one who has traveled on foot in Africa will admit...
David Livingstone 「Missionary Travels and Researches in South Africa」
...There seems to be a tendency in nature to afford varieties adapted to the convenience of man...
David Livingstone 「Missionary Travels and Researches in South Africa」
...If from the interposition of the Deity, then we must conclude that he, who bringeth good out of evil, produced it for their convenience...
Thomas Clarkson 「An Essay on the Slavery and Commerce of the Human Species, Particularly the African」
... Despite the promise, we were delayed by King Nekorado, whose town, Palabala, lies at some distance, and who, negro-like, will consult only his own convenience...
Richard F. Burton 「Two Trips to Gorilla Land and the Cataracts of the Congo Volume 2」
...He has a large assortment of trade-goods of all sorts, and his vessel is fitted up with a view to comfort in living, as well as the convenience of trade...
Horatio Bridge 「Journal of an African Cruiser」
... at your earliest convenience...
William Still 「The Underground Railroad」
... We do not ask for such contributions to be forwarded through Newcastle unless this be a matter of convenience to those concerned...
William Still 「The Underground Railroad」
...He was ever willing to sacrifice his own personal comfort and convenience, in order to assist fugitives...
William Still 「The Underground Railroad」
...Schweinfurth, who has preserved for us much of the industrial artof the Negroes, speaks of their delight in the production of works ofart for the embellishment and convenience of life...
W.E.B. Du Bois 「The Negro」
...Itwould indeed have been almost impossible for them to move around had it notbeen for the convenience of the stove, on which some of them slept at night,and which served as a table in the day-time...
Leo Tolstoy 「The Kreutzer Sonata and Other Stories」
..."For convenience of description I will divide the body into fivesegments—the head, the cervical, the scapular, the abdominal, andthe gluteal...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
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