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The concept of law involves the union of primary and secondary rules.
法律的概念涉及主要规则和次要规则的结合。
Being different is not that difficult. We are all different from different perspectives. But I think being different is good, because you present a different point of view. You may have the chance to make a difference.
科学的进步不仅通过知识的积累来衡量,还通过提出新问题的能力来衡量。
记忆是个狡猾的东西;它既可以是安慰,也可以是诅咒。
城市从不沉睡,它的黑暗也是如此。
You are always a valuable, worthwhile human being — not because anybody says so, not because you're successful, not because you make a lot of money — but because you decide to believe it and for no other reason.
For systems, the analogue of a face-lift is to add to the control graph an edge that creates a cycle, not just an additional node.