I notice a whiff of Swift in some of my notes. I too am a desponder in my nature, an uneasy, peevish, and suspicious man, although I have my moments of volatility and fou rire. — Vladimir Nabokov
The cat that laughs is crazy. Man who does not laugh is below... (Le chat qui rit est un fou. - Homme qui ne rit est dessous...) — Charles De Leusse