“"What," say you, "are you giving me advice? Indeed, have you already advised yourself, already corrected your own faults? Is this the reason why you have leisure to reform other men?" No, I am not so shameless as to undertake to cure my fellow-men when I am ill myself. I am, however, discussing with you troubles which concern us both, and sharing the remedy with you, just as if we were lying ill in the same hospital.”
Tu me' inquis 'mones? iam enim te ipse monuisti, iam correxisti? ideo aliorum emendationi vacas?'
Non sum tam improbus ut curationes aeger obeam, sed, tamquam in eodem valetudinario iaceam, de communi tecum malo colloquor et remedia communico.
Epistulae Morales ad Lucilium (Moral Letters to Lucilius), Letter XXVII
Original
Tu me' inquis 'mones? iam enim te ipse monuisti, iam correxisti? ideo aliorum emendationi vacas?' Non sum tam improbus ut curationes aeger obeam, sed, tamquam in eodem valetudinario iaceam, de communi tecum malo colloquor et remedia communico.
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Seneca the Younger 225
Roman Stoic philosopher, statesman, and dramatist -4–65 BCRelated quotes

Essays and Dialogues (1882), Dialogue between Nature and an Icelander

Quoted by Jan Lundius, in Does WFP Deserve the Nobel Peace Prize?, Inter Press Service News Agency, (December 2020)

Quote of Manet's letter to Zola, Wednesday, 2 January 1867; as quoted on: SCRIBD - 'Manet's letters' https://www.scribd.com/document/344176445/manets-letters-worksheet
1850 - 1875