Become better person and be dure to know who you are before meeting someone new and hoping that person knows who you are.

做一个更好的人，确信在遇见一个新的人之前知道自已是谁也希望那个人知道你是谁？

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Leading the project to restore David is the Opificio Delle Pietre Dure, Italy's premier restoration institute for stone and marble.

NPR: Restoring Michelangelo's David