When things reach an extreme, they invariably move toward their opposite; good fortune can turn into misfortune.
他经营的生意一度非常成功，但由于过于自信，忽视了市场变化，最终导致了失败，真是泰极生否啊。
His business was once very successful, but due to overconfidence and ignoring market changes, it eventually failed, truly demonstrating the principle that prosperity at its peak gives way to adversity.
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