Paul relates lessons shared in previous episodes to the wisdom shared in Sun Tzu's The Art of War, the first written document about strategic thinking, created 2500 years ago.
Sources:
Sun Tzu's The Art of War: https://www.amazon.com/Only-Award-Winning-English-Translation-Tzus/dp/1929194900/ref=sr_1_1?dchild=1&keywords=art+of+war+sun+tzu+book+translation&qid=1618004708&s=instant-video&sr=1-1