Your sentiment was codified a long time ago in a book[1] Hence the saying: If you know the enemy and know yourself, you need not fear the result of a hundred b

Your sentiment was codified a long time ago in a book[1] Hence the saying: If you know the enemy and know yourself, you need not fear the result of a hundred battles. If you know yourself but not the enemy, for every victory gained you will also suffer a defeat. If you know neither the enemy nor yourself, you will succumb in every battle. [1] https://ctext.org/art-of-war/attack-by-stratagem https://ctext.org/art-of-war/attack-by-stratagem