“Oh how easy it is to deceive one who is confident!”
Canzone 311, st. 3
Il Canzoniere (c. 1351–1353), To Laura in Death
Original
O che lieve è inganar chi s'assecura!
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Francesco Petrarca 73
Italian scholar and poet 1304–1374Related quotes

The Pearl of Orr's Island : A Story of the Coast of Maine (1862).

French Affairs page 156
The Romantic School (1836)

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Un Art de Vivre (The Art of Living) (1939), The Art of Friendship

This Business of Living (1935-1950)
“No longer be one of the many job-hunters who are blinded by your ignorance and self-confidence”
Source: Your Job-Hunt Ltd – Advice from an Award-Winning Asian Headhunter (2003), p.126
Context: No longer be one of the many job-hunters who are blinded by your ignorance and self-confidence, who after a lengthy period of unemployment still feel that the world owes them a living.

marginal note in Moncure D. Conway's Sacred Anthology
quoted by Albert Bigelow Paine in Mark Twain: A Biography (1912)