“Do not laugh at a person’s problems because tomorrow it may be you” ~ African Proverb
Schadenfreude is a complex emotion, where rather than feeling sympathy towards someone's misfortune, schadenfreude evokes joyful feelings that take pleasure from watching someone fail. The happiness of most people is not ruined by great catastrophes or fatal errors, but by the repetition of slowly destructive little things. ~Ernest Dimnet
When we consider pleasure-in-others'-misfortune as pertaining to minor misfortunes and involving our belief that justice has been done and that we are not responsible for eliciting the misfortune, then this emotion is not so reprehensible from a moral point of view.
Beyond that basic human social-comparison instinct, certain situations are ripe for schadenfreude. These …