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Life has taught that ethics often emerge from regret, learning through trial and error: a spontaneous sense of remorse for harming someone or doing wrong, ensuring that specific mistake is not repeated.

However, a more profound ethical principle suggests that learning from mistakes doesn't require making amends to the exact person if good deeds are done elsewhere.

Once, a stranger was treated poorly at an airport. Even now, there's a sense of repentance, making up for it over the years by being extra kind to strangers.