“The world will not reform for all your meddling.”
Et c’est une folie, à nulle autre, seconde,
De vouloir se mêler de corriger le monde.
As published in Le Misanthrope, Molière, tr. Curtis Hidden Page, G.P. Putnam’s Sons (1913), p. 12
Variant translation: Of all follies there is none greater than wanting to make the world a better place.
As contained in The Columbia Dictionary of Quotations, ed. Robert Andrews, Columbia University Press (1993), p.772 : ISBN 0231071949
Act I, sc. 1, lines 155-156 (Philinte)
Le Misanthrope (1666)
Original
Et c’est une folie, à nulle autre, seconde, De vouloir se mêler de corriger le monde.
Le Misanthrope (1666)
Help us to complete the source, original and additional information
Molière 72
French playwright and actor 1622–1673Related quotes

“To reform the world - means to reform upbringing…”

Source: João Goulart. Discursos Selecionados do Presidente João Goulart, 2010, FUNAG, 978-85-7631-193-5, 85, pt-br http://funag.gov.br/loja/download/641-Discursos_joao_goulart.pdf,

sic
From a letter to the "Society for the Abolishment of Capital Punishment", Leavenworth, Kansas, May 23, 1930, Lustmord: The Writings and Artifacts of Murderers, pgs. 210, (1997), Brian King, ed. ISBN 096503240X

“Reform the world within thyself, which is thy proper world.”
Source: Aphorisms and Reflections (1901), p. 199

“All reformers are bachelors.”
Act I http://books.google.com/books?id=HWs-AAAAYAAJ&q=%22All+reformers+are+bachelors%22&pg=PA14#v=onepage
The Bending of the Bough (1900)

Breach of Trust: How Americans Failed Their Soldiers and Their Country (2013).

“I must strive to reform myself and people of the entire world.”
Attributed to Muhammad Ilyas Qadri: Motto of Dawat-e-Islami; Cited in: Nafees Akram (2013) Imam Ahmed Raza Khan and the Dawat-e-Islami Movement: Islamic Revival through Social Reform ( abstract http://www.bris.ac.uk/spais/news/2013/226.html)

“The free world should not wait for dictatorial regimes to consent to reform.”
Page 278.
The Case for Democracy (2004, with Ron Dermer)

“They cannot roll back the rising tide of reform... The world moves.”
The Woman Who Ran for President — in 1872 https://www.theattic.space/home-page-blogs/woodhull. The Attic. Retrieved July 9, 2018.