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“To err is human; to forgive, divine.”
Error is treated as ordinary human limitation, while forgiveness requires an additional act of generosity.
Source note: An Essay on Criticism, Part II; Pope warns that shallow learning can produce premature confidence before deeper study tempers judgment.
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“Iron sharpeneth iron; so a man sharpeneth the countenance of his friend.”
Good relationships can improve judgment and character through challenge, conversation, and mutual influence.
Source note: Proverbs 15:1 in the King James Version; the proverb contrasts a soft answer with speech that intensifies wrath.
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“Adversity shows whether we have friends, or only the shadows of friends.”
Difficulty tests whether a relationship has substance because support under pressure reveals more than companionship during easy circumstances.
Source note: The Moral Sayings of Publius Syrus, saying 35, D. Lyman Jr. translation (1856).
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“How happy I am, that my friend Marcus Cornelius, so distinguished as an orator and so noble as a man, thinks me worth praising and blaming.”
Marcus values a relationship in which admiration does not exclude correction: Fronto’s willingness to praise and blame him is presented as a mark of trusted friendship rather than mere approval.
Source note: Project Gutenberg #2680, Appendix “Correspondence of M. Aurelius Antoninus and M. Cornelius Fronto,” identifies this line as Ad M. Caes. iii. 17. The wording is preserved as correspondence context, not treated as a maxim from the Meditations.
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“The only way to have a friend is to be one.”
Friendship is treated as reciprocal practice rather than something one can demand without embodying it.
Source note: Essay “Friendship.”
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“Friendship helps the young to keep from error.”
Aristotle gives friendship a practical educational role: trusted companions can help younger people avoid mistakes by supplying counsel, example and shared judgment.
Source note: Nicomachean Ethics, Book VIII, Chapter I, Project Gutenberg #8438. The sentence occurs in Aristotle’s opening inventory of why friendship is necessary across different stages of life.