Luxury is excessive desire, or even love of living sumptuously.
 Baruch Spinoza, Ethics (1677). copy citation

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Author Baruch Spinoza
Source Ethics
Topic love desire
Date 1677
Language English
Reference
Note Translated by R. H. M. Elwes
Weblink http://www.gutenberg.org/files/3800/3800-h/3800-h.htm

Context

“For, so long as a man is bound by any desire, he is at the same time necessarily bound by this. "The best men," says Cicero, "are especially led by honour. Even philosophers, when they write a book contemning honour, sign their names thereto," and so on. XLV. Luxury is excessive desire, or even love of living sumptuously. XLVI. Intemperance is the excessive desire and love of drinking. XLVII. Avarice is the excessive desire and love of riches. XLVIII. Lust is desire and love in the matter of sexual intercourse.” source