Lin Xiangru () (died July 260 BCE) was a politician and general of the Warring States period, who served the state of Zhao. He figures prominently in two stories of the period, namely the episode and the namesake chengyu of "Returning the Jade to Zhao" (), as well as the story and the namesake chengyu of "Carrying Thorned Grass and Pleading Guilt" (). Background Lin Xiangru was born sometime in the reign of King Wuling of Zhao in present day Mengmen town, Liulin County, Shanxi. Due to his intellect and superior skills, he rose quickly through the ranks of the Zhao bureaucracy. Returning the Jade to Zhao Emissaries from the King of Qin came over to the Zhao court one day, offering to exchange fifteen cities for the sacred Heshibi jade disk. At this stage of the Warring States period, Qin was the most powerful state, making it difficult to decline. On the other hand, the Kings of Qin had historically been untrustworthy, and King Huiwen of Zhao did not trust the King of Qin to keep his side of the bargain. Lin Xiangru volunteered to go to the Qin court with the He Shi Bi, promising to trade the jade for the cities if the King of Qin kept his word, and to return the jade safely if he did not. At the Qin court, the King of Qin passed the He Shi Bi among his ministers and concubines, making no mention of the promised 15 cities. Lin concluded that the King of Qin was not intending to keep his word. He tricked the King of Qin by claiming that there was a tiny flaw in the jade, and when the King of Qin returned the jade to him so that he could point out the flaw, Lin threatened to smash both the jade and his head (i.e. commit suicide) against a pillar if the King of Qin tried to take it back by force. He demanded the King of Qin fast for three days and receive him with proper ceremonies before surrendering the jade. The Qin king, unwilling to see the jade ruined, agreed. That night, still not trusting the King of Qin, Lin ordered his henchman to take the jade back to Zhao in secret; he himself would stay in Qin and face the King. Three days later, the King of Qin was furious that the jade