...Nothing lasts forever, not even the night... 
(AKA Ralph Iron) Olive Schreiner 「The Story of an African Farm」
...The two Makololo occupy my right and left, both in eating and sleeping, as long as the journey lasts...
David Livingstone 「Missionary Travels and Researches in South Africa」
...The severe pneumonia in Marunga, the choleraic complaint in Manyuema,and now irritable ulcers warn me to retire while life lasts...
David Livingstone 「The Last Journals of David Livingstone, in Central Africa, from 1865 to His Death, Volume II (of 2), 1869-1873」
...I want to come to see you all before long, if nothing happens and life lasts...
William Still 「The Underground Railroad」
...Thisis a transition stage that lasts but a very short time: soonthe form is entirely changed so that the broadest part isabove instead of below...
Clarence M. Weed 「Butterflies Worth Knowing」
...So compactly isthe whole nest built, that it often lasts more than one year, and maysometimes serve the same pair two successive summers...
P. L. Sclater 「Argentine Ornithology, Volume I (of 2)」
...As most people are aware, the day begins inthe tropics as nearly as possible at 6 o'clockand lasts twelve hours...
Various 「Hunting in Many Lands」
...While the Red-eye's song lasts the greater part of theday, the Warbling Vireo's continues for only about fourseconds, then, after an interval, it is repeated...
Frank M. Chapman 「What Bird is That?」
...The acute stage lasts only four or five days, while the complete healing of theinflammation is slow...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...In northern Indiathe nesting season lasts from February to June...
Douglas Dewar 「A Bird Calendar for Northern India」
...The breeding season of thisspecies lasts from April to July, May being the month in whichmost eggs are laid...
Douglas Dewar 「A Bird Calendar for Northern India」
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