“The proverb says, He conquers who endures.”
Il Diamante, Act I., Scene II. — (Scacchia).
Translation reported in Harbottle's Dictionary of quotations French and Italian (1904), p. 265.
Original
(Dice il proverbio) chi la dura la vince.
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Giovanni Maria Cecchi 11
Italian poet, playwright, writer and notary 1518–1587Related quotes

“He who has conquered is not conqueror
Unless the conquered one confesses it.”
Qui vincit non est victor nisi victus fatetur.
As quoted by Marcus Servius Honoratus in In Vergilii carmina comentarii (Commentaries on the poems of Virgil), Book XI https://web.archive.org/web/20141219124307/http://www.perseus.tufts.edu/hopper/text?doc=Perseus%3Atext%3A1999.02.0053%3Abook%3D11%3Acommline%3D306

“Sure I am of this, that you have only to endure to conquer.”
Remarks at the Guildhall, 4 September 1914, after the first British naval victory of World War I, the sinking of three German cruisers in the Battle of Heligoland Bight, as cited in Churchill: A Life, Martin Gilbert, Macmillan (1992), p. 279 :
Early career years (1898–1929)
Context: Sure I am of this, that you have only to endure to conquer. You have only to persevere to save yourselves, and to save all those who rely upon you. You have only to go right on, and at the end of the road, be it short or long, victory and honor will be found.
“He who suffers conquers.”
Vincit qui patitur.
Worldly Saints: The Puritans As They Really Were

“Toil, says the proverb, is the sire of fame.”
Licymnius, Frag. 477

April 17, 1778, p. 396
Life of Samuel Johnson (1791), Vol III

“He who conquers himself is the mightiest warrior.”

“The Brave man is not he who does not feel afraid, but he who conquers that fear”
Source: How to Fall in Love