...segurarse, to assure oneself, be assured; to assert... 
Gustavo Adolfo Becquer 「Legends, Tales and Poems」
...Only this one thing I do assure you, I am no thief, norevil-minded person, but an unhappy maid, whom the force ofjealousy has constrained to transgress the laws of decorum...
Miguel de Cervantes Saavedra 「The History of Don Quixote de la Mancha」
...I assure you that this cursed wound which, duringthe entire journey, made me suffer all the pains of hell, hasceased to trouble me since I have seen you again...
Antonio de Trueba Henry J. Gill 「The Cid Campeador」
..."That oath saves you," said Fernan, letting him loose; "butI assure you, Alvar, that you shall answer for it to me if youever try to gain the love of that pretty girl for whom I sigh...
Antonio de Trueba Henry J. Gill 「The Cid Campeador」
...I assure you there is no mistake...
Baroness Orczy 「The Scarlet Pimpernel」
...Do not heed me, Sir Andrew; I assure you I already feelbetter...
Baroness Orczy 「The Scarlet Pimpernel」
...“I assure you I am calm...
Rafael Sabatini 「Captain Blood」
...Although ye deserve nothing less than that same rope and yardarm, I assure you that it's to be employed only as a last resource...
Rafael Sabatini 「Captain Blood」
... “Who shall assure me that it is a beginning? May it not be the whole? Had I held you in affection, monsieur, I should have sent for you after the affair of which you have spoken...
Rafael Sabatini 「Scaramouche」
...I assure you, it hasbeen a charming relaxation from serious business...
John Buchan 「Mr. Standfast」
... “I assure you, monseigneur, I was ignorant of that,” said Raoul, “and what your highness does me the honor to impart is perfectly new to me...
Alexandre Dumas, Pere 「Ten Years Later」
...I myself can assure you of that...
Alexandre Dumas, Pere 「Ten Years Later」
... “My lord, in giving the fifty thousand francs of my own to these gentlemen, I assure you that I gave them everything I gain...
Alexandre Dumas, Pere 「Ten Years Later」
... “I shall know them again very well, I assure you, without running after them...
Alexandre Dumas, Pere 「Ten Years Later」
... “Ah! I understand you wished to assure yourself of this good feeling before you came to participate in our fetes...
Alexandre Dumas, Pere 「Ten Years Later」
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