Zhuge Liang was deified in the Three Kingdoms period. In fact, his talent is at most similar to that of Sima Yi. Zhuge was cautious all his life, and repeatedly failed to cut Wei, which consumed the national strength of Shu, and some dictatorships in the later period led to the lack of talents in Shu. On the contrary, Sima Yi was able to bend and stretch, and finally achieved positive results.