Absolutely true. And I'll go a step further in say

Absolutely true. And I'll go a step further in saying they're not angry that wealthy people are wealthy. They are angry that someone besides themselves are not wealthy and will jump at any opportunity they can to get their hands on their pie. It's called jealousy.

"You shall not covet your neighbor's house; you shall not covet your neighbor's wife, or his male servant, or his female servant, or his ox, or his donkey, or anything that is your neighbor's." - Exodus 20:17

"The more numerous any assembly may be, of whatever characters composed, the greater is known to be the ascendancy of passion over reason." - Federalist no. 58