Ordinary people will not admit that our sentiments towards each other can totally change in a moment, and yet certain it is, that two lovers not seldom fly apart even more quickly than they drew together.
 Honoré de Balzac, Lost Illusions (1843). copy citation

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Author Honoré de Balzac
Source Lost Illusions
Topic change sentiment
Date 1843
Language English
Reference
Note Translated by Ellen Marriage
Weblink https://www.gutenberg.org/cache/epub/13159/pg13159.html

Context

“Chatelet, interested in her without presumption, taking care of her in a manner that revealed a profound passion; Chatelet, elegant, and as much at home as an actor treading the familiar boards of his theatre, in two days had recovered all the ground lost in the past six months. Ordinary people will not admit that our sentiments towards each other can totally change in a moment, and yet certain it is, that two lovers not seldom fly apart even more quickly than they drew together. In Mme. de Bargeton and in Lucien a process of disenchantment was at work; Paris was the cause. Life had widened out before the poet's eyes, as society came to wear a new aspect for Louise. Nothing but an accident now was needed to sever finally the bond that united them;” source