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Speak not in high commendation of any man to his face, nor censure any man behind his back; but if thou knowest anything good of him, tell it unto others; if anything ill, tell it privately and prudently to himself.

William Burkitt (1840). “The poor man's help, and young man's guide”, p.13
Speak not in high commendation of any man to his face, nor censure any man behind his back; but if thou knowest anything good of him, tell it unto others; if anything ill, tell it privately and prudently to himself.