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In mathematics, the art of proposing a question must be held of higher value than solving it.
最深刻的真理往往是我们认为理所当然的那些。
The challenge for modern states is to maintain their legitimacy while also being effective in providing services and maintaining order.
人不应该相信或不相信,而应该保持怀疑。
解析:菩提比喻智慧,明镜比喻清净心。本来清净,又哪里会染上什么尘埃?