Courtesy is only a thin veneer on the general selfishness.
La politesse cache très-imparfaitement l’égoïsme général.
Original text (French)
Notes from Wikiquote
Part I, ch. VII
Original text (French)
Science is the language of the Temporal world, Love is that of the Spiritual world.
The most real of all splendors are not in outward things, they are within us.
Quote text and notes from Wikiquote: Honoré de Balzac (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.