2. No other art or science is more difficult than the art or science of war. -Lloyd

3. Virtue is a state of war. When we live in it, we must always struggle with ourselves-Rousseau

4. Some people think that the noblest qualities of human beings, including cooperation, altruism, patriotism, leading the fight, etc., are the genetic result of war.

5. War has become a mysterious and profound science. But war is actually a very natural thing, and it is also the most necessary thing in daily life ... War is life-heat

6. You will soon know the terrible and endless war waged by those vulgar people against genius. ..... If you concentrate on dealing with these dwarfs, your best friend will make a hullabaloo about, saying that you want to swallow everything, that you are going to be bossy and suppress others. In short, your strengths will become weaknesses, your weaknesses will become sins, and your virtues will become crimes. -Balzac