The exalted people in human society live very simply; they do not increase their artificial needs. Rather, as much as possible they decrease eating, sleeping, mating and defending. Whatever way they can simply fulfill that, they do that, so as to concentrate more time and energy for fulfilling the real purpose of human life: to understand Krishna.
Lecture on Real Success Stories Are in Srimad-Bhagavatam (SB 8.4.15; Ljubljana, Slovenia, 26 Dec 1998)