In the material world, all distresses are due to extravagance. One acquires money extravagantly and also spends it extravagantly. Such activities are sinful. All property belongs to the Supreme Personality of Godhead, and all living beings, who are sons of the Supreme Lord, have the right to use the Supreme Father’s property, but one cannot take more than necessary. This principle should especially be followed by brahmanas and sannyasis who live at the cost of others.

From Srila Prabhupada’s purport to SB 8.19.17