Probably the greatest harm done by vast wealth is the harm that we of moderate means do ourselves when we let the vices of envy and hatred enter deep into our own natures.
Jealousy in romance is like salt in food. A little can enhance the savor, but too much can spoil the pleasure and, under certain circumstances, can be life-threatening.
There is a proper measure in all things, certain limits beyond which and short of which right is not to be found. Who so cultivates the golden mean avoids the poverty of a hovel and the envy of a palace.
Only those beneath me can envy or hate me. I have never been envied nor hated; I am above no one. Only those above me can praise or belittle me. I have never been praised nor belittled; I am below no one.