Marcus Tullius Cicero ( SISS-ə-roh; Latin: [ˈmaːr.kʊs ˈtʊl.lʲi.jʊs ˈkɪ.kɛ.roː]; 3 January 106 BC – 7 December 43 BC) was a Roman statesman, lawyer, scholar, philosopher, and academic skeptic, who tried to uphold optimate principles during the political crises that led to the establishment of the Roman Empire. His extensive writings...
The man who backbites an absent friend, nay, who does not stand up for him when another blames him, the man who angles for bursts of laughter and for the repute of a wit, who can invent what he never saw, who cannot keep a secret - that man is black at heart: mark and avoid him.
He removes the greatest ornament of friendship, who takes away from it respect.
Such praise coming from so degraded a source, was degrading to me, its recipient.
Be more prompt to go to a friend in adversity than in prosperity.
He knows not his own strength that hath not met adversity.
By courage I repel adversity.
(Adversa Virtute Repello)
By trying we can easily learn to endure adversity. Another man's, I mean.