“L'inferno è lastricato di buone intenzioni.”
Vita di Samuel Johnson
Originale
Hell is paved with good intentions.
April 14, 1775
Malone added a footnote indicating this is a "proverbial sentence", quoting an earlier 1651 source. At least two other sources appear prior to Johnson. John Ray, in 1670, cited as a proverb, "Hell is paved with good intentions." Even earlier than that, it has been attributed to Saint Bernard of Clairvaux (1091-1153), as "Hell is full of good intentions or desires."
[alt.quotations, Earlier Attributions, Wilson, Robert, UseNet, 2009-01-06]
Note that "The road to Hell…" is not part of the quotation.
The Samuel Johnson web site suggests this entry is dated 16 April, but it appears to be part of the previous entry.
Samuel Johnson web site http://www.samueljohnson.com/road.html
Life of Samuel Johnson (1791), Vol II
Origine: The Life of Samuel Johnson LL.D. Vol 2

Samuel Johnson 17
critico letterario, poeta e saggista britannico 1709–1784Citazioni simili

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“La bocca dell'Inferno e piena di buone volontà.”
Origine: Citato in Harbottle, p. 339
Origine: Dialoghi Piacevoli, Del Conoscimento di se stesso, p. 492
23 dicembre 2013
Origine: Intervistato da [Giacomo Galeazzi, https://www.kolot.it/2013/12/23/i-rabbini-e-il-papa/, I rabbini e il papa, 23 dicembre 2013], su kolot.it. URL archiviato il 9 agosto 2019 http://archive.is/FCeG9/.