...It cannot now be traced with certainty... 
George Grote 「The Two Great Retreats of History」
...Lothario pressed her to explain her intention fully, so that he might withmore certainty and precaution take care to do what he saw to be needful...
Miguel de Cervantes 「The History of Don Quixote, Vol. I, Complete」
...I replied that I was a slave of the Arnaut Mami (for Iknew as a certainty that he was a very great friend of his), and that Iwanted some herbs to make a salad...
Miguel de Cervantes 「The History of Don Quixote, Vol. I, Complete」
...He purposely chose the most sensational papers, those which published many stories of single encounters, of individual deeds about which nobody could know with any degree of certainty...
Vicente Blasco Ibanez Charlotte Brewster Jordan 「The Four Horsemen of the Apocalypse」
... The certainty that the castle did not hold any hidden enemies made him more amiable...
Vicente Blasco Ibanez Charlotte Brewster Jordan 「The Four Horsemen of the Apocalypse」
... The question would presently be asked of a certainty, and then hell would open for him...
Rafael Sabatini 「Captain Blood」
...You have changed a certainty into a possibility, and I hate possibilities—God of God! I have lived on possibilities, and infernally near starved on them...
Rafael Sabatini 「Scaramouche」
...But you know as well as I do, sir, that it’s never anab-so-lute certainty...
John Buchan 「Mr. Standfast」
... “It was certainty I requested of you...
Alexandre Dumas, Pere 「Louise de la Valliere」
... 'Ifyou're there when the march begins,' he said, 'they'll cut your throatfor a certainty...
John Buchan 「Prester John」
... She had staked on what seemed to her the certainty of India's rising at the first signal of a holy war...
Talbot Mundy 「King--of the Khyber Rifles」
...Pitt, a bias in favour of the cause, they knew to a certainty that the Lord Chancellor Thurlow was against it...
Thomas Clarkson 「The History of the Rise, Progress and Accomplishment of the」
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