“Formerly I went frequently to Paris: I saw often many of those who were called ‘the philosophers’. It was particularly at Madame Geoffrin’s, Baron d’Holbaek’s, and d’Alembert’s, where they principally assembled. It was there that they silently planned the destruction of religion, of the clergy, the nobility, and the government. From the year 1766, I said to the Bishops who were connected with them, ‘They detest you’; to the great noblemen who protected them, ‘They cannot bear the splendour of your rank, which dazzles them’; to the Farmers-General who upheld them, ‘They envy your riches’. These continued, however, to admire, to flatter, and to support them.”
Louis Dutens, “Two Letters from Voltaire, Relative to Myself”, Dutensiana; Intended as a Sequel to the Memoirs of a Traveller, Now in Retirement, vol.V (London: R. Phillips and Dulau & Co., 1806), pp.93-4.