灵蛇之珠

Explanation: Namely Sui beads. Original metaphor priceless. Analogy after extraordinary talent. 　　Source: "Huainanzi that view training offerings," such as lazy Hou beads, and the bi's, who was the rich, who lost the poor. " 　　Examples: At this time, everyone - from that grip, and everyone from that hold Jingshan Yu. (San Guowei Cao Zhi "and Tang Dezu book")