Why dont we learn from history

In any case, keep cool. Have unlimited patience. Never corner an opponent and always assist him to save his face. Put yourself in his shoes—so as to see things through his eyes. Avoid self-righteousness like the devil—nothing is so self-blinding. Cure yourself of two commonly fatal delusions—the idea of victory and the idea that war cannot be limited

There is no excuse for anyone who is not illiterate if he is less than three thousand years old in mind