Xiang Liang
In his younger days, Xiang Yu was instructed in scholarly arts and swordsmanship but he did not manage to master what he was taught, and his uncle Xiang Liang was not very satisfied with him. Xiang Yu said, "Books are only useful in helping me remember my name. Mastering swordsmanship allows me to face only one opponent, so it's not worth learning. I want to learn how to defeat thousands of enemies." Hence, his uncle tried to educate him in military strategy and the art of war instead, but Xiang Yu stopped learning after he had grasped the main ideas; Xiang Liang was disappointed with his nephew, who showed no sign of motivation or apparent talent apart from his great strength, so he gave up and let Xiang Yu decide his own future.