Rationality argument: those who win the hearts of the people will win the world, and those who lose the hearts of the people will lose the world; Unity is strength; Water can carry a boat and overturn it; When everyone added fuel, the flame rose very high.

Demonstrate with examples: attack it around the opportunity.

Invincible-geographical location

Use the land, but leave the city-harmony between people

Story-Tang Dynasty, Qin Ershi tyranny, Shang and Zhou tyranny.