I often had no scruples about deceiving nitwits and scoundrels and fools when I found it necessary. ...We avenge intelligence when we deceive a fool, and... deceiving a fool is an exploit worthy of an intelligent man. What has infused my very blood with an unconquerable hatred of the whole tribe of fools from the day of my birth is that I become a fool myself when I am in their company.
Giacomo CasanovaHappy are those lovers who, when their senses require rest, can fall back upon the intellectual enjoyments afforded by the mind! Sweet sleep then comes, and lasts until the body has recovered its general harmony. On awaking, the senses are again active and always ready to resume their action.
Giacomo CasanovaAs to the deceit perpetrated upon women, let it pass, for, when love is in the way, men and women as a general rule dupe each other.
Giacomo Casanova