“Learn from me that a wise man who has heard a criminal accusation related with so many absurd particulars ceases to be wise when he makes himself the echo of what he has heard, for if the accusation should turn out to be a calumny, he would himself become the accomplice of the slanderer.”
Memoirs of J. Casanova de Seingalt (1894)
Help us to complete the source, original and additional information
Giacomo Casanova 55
Italian adventurer and author from the Republic of Venice 1725–1798Related quotes

“A wise man never loses anything, if he has himself.”
Book I, Ch. 38. Of Solitude
Essais (1595), Bartlett's Familiar Quotations, 10th ed. (1919)

Three Discourses at Friday Communion November 14, 1849 Hong translation 1997 P. 132
1840s, Three Discourses at the Communion on Fridays (1849)

The King v. Justices of Surrey (1794), 6 T. R. 78.

Kant, Immanuel (1996), page 100
Anthropology from a Pragmatic Point of View (1798)

Source: Aphorisms and Reflections (1901), p. 233

“Man is wise … when he recognises no greater enemy than himself.”
Third Day, Novel XXX
L'Heptaméron (1558)

Desiring God: Meditations of a Christian Hedonist (Multnomah, 1986, ISBN 1590521196.

62 Eudæmonidas
Apophthegms of Kings and Great Commanders

“The fool doth think he is wise, but the wise man knows himself to be a fool.”
Touchstone, Act V, scene i
Source: As You Like It (1599–1600)