“This is that he might know that I have not been unfaithful to him in secret and that Allah does not guide the device of the unfaithful.”
quran
“O you who believe! be not unfaithful to Allah and the Apostle, nor be unfaithful to your trusts while you know.”
“Never be unfaithful to a lover, except with your wife.”
Satchel Paige
“It is better to be unfaithful than to be faithful without wanting to be.”
Brigitte Bardot
“In relation to a writer, most readers believe in the Double Standard: they may be unfaithful to him as often as they like, but he must never, never be unfaithful to them.”
W. H. Auden
“The original is unfaithful to the translation.”
Jorge Luis Borges
“In modern usage a cuckold is the husband of an unfaithful wife - a far nastier and more humiliating state, apparently than being the wife of a philanderer, for which in fact no word exists”
Anne Fausto
