...But his relentless collaborator, who was in reality the real author—drawing shamelessly, but practically at last upon his great store of reading—had overborne him... 
Rafael Sabatini 「Scaramouche」
...It was with the deepest humiliation that Henry learned from one of hisown slaves the treatment which his child was receiving at the hands ofhis relentless mother-in-law...
William Wells Brown 「Clotelle: a Tale of the Southern States」
...The scent becomes warmer and warmer, and what was at first an irregularcry now deepens into one ceaseless roar, as the relentless pack presseson after its human prey...
William Wells Brown 「Clotelle: a Tale of the Southern States」
... The individual andsociety have waged a relentless and bloody battle for ages, eachstriving for supremacy, because each was blind to the value andimportance of the other...
Emma Goldman 「Anarchism and Other Essays」
...In theSoutheast was the great body of Sioux, and on the Southwest the Crowsand Northern Cheyennes, all engaged in the same relentless warfare...
William T. Hornaday 「The Extermination of the American Bison」
...Before the relentless march ofcivilization, the wild Indian, the bison and many of the wild birdsmust inevitably disappear...
William T. Hornaday 「Our Vanishing Wild Life」
...And holding him thus helpless, he proceededto grit and grind his tight-clenched teeth inthe slow, relentless motion that must soon or lateeat down to and sever the spinal cord...
Albert Payson Terhune 「Lad: A Dog」
...The gardens that had some beauty in the coldweather now display the abomination of desolation—a waste ofshrivelled flowers, killed by the relentless sun...
Douglas Dewar 「A Bird Calendar for Northern India」
...What it has cost me in perseverance and relentless work I will not try to say...
J. Henri Fabre Alexander Teixeira de Mattos 「The Life of the Fly」
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