The sentence "Guo Jia is not dead, Wolong is not out" implies that if Guo Jia is not dead, Zhuge Liang may not show up easily. In that era, Guo Jia and Zhuge Liang, two strategists, each conspired for different lords and fought against each other. This sentence emphasizes Guo Jia's intelligence and influence, but whether he can be called the first strategist of the Three Kingdoms still needs in-depth analysis.
Guo Jia is indeed a talented strategist. He was proficient in the art of war, good at strategy, and gave advice to him under Cao Cao's banner and made great achievements. He persuaded Cao Cao to conquer Karasuma in the north, successfully pacifying the northern border and consolidating Cao Cao's dominance. Guo Jia has a keen sense of insight into the current situation, and has a deep understanding of Cao Cao's thoughts.
However, it may be slightly controversial to call Guo Jia the first strategist of the Three Kingdoms. Due to his early death, we have no certainty of how he performed in the subsequent battles. In contrast, Zhuge Liang held a prominent position and far-reaching influence in the history of the Three Kingdoms. He showed outstanding military talent and resourcefulness by Liu Bei's side, such as the Battle of Chibi and the Seven Captures of Meng Huo, which are all his masterpieces. Zhuge Liang's integrity and resourcefulness are known as unique in the world, dedicated to the interests of the country, loyal and diligent.
During the Three Kingdoms period, there were other outstanding strategists, such as Xun Yu, Zhou Yu, Sima Yi, etc., who also made outstanding contributions in their respective fields. Therefore, it is not easy to assess who is the first strategist of the Three Kingdoms. In general, Guo Jia and Zhuge Liang were both top strategists of that era, each with unique characteristics and advantages. Guo Jia is good at intrigue and has keen insight;Zhuge Liang is known for his righteousness and dedication to the country. It may not be possible to give a definitive answer to who the first strategist is, depending on personal opinion and evaluation criteria.