Our vulnerability [to ressentiment], is unavoidable (and probably incurable) in a kind of society in which relative equality of political and other rights and formally acknowledged social equality go hand in hand with enormous differences in genuine power, possessions and education; a society in which everyone has the right to consider himself equal to everybody else, while in fact being unequal to them.

[paraphrasing the view of Max Scheler], p. 25. - The Art of Life (2008)