《三国志·魏书·武文世王公传》
北海王精通三坟五典，沉迷于领悟学问的真谛，文雅的气质很突出，我很赞赏他。
王研精坟典，耽味道真，文雅焕炳，朕甚嘉之。
The King of Beihai has extensively studied the Sanfen and Wudian, and is keen to pursue the essence of the knowledge, and has shown a great temperament. I admire that.