1. Who is our enemy, who is our fren? This is the primary question of the revolution. In the past, China's revolutionary struggles have achieved little because they failed to unite true fren to attack the real enemy. 2. We must support what the enemy opposes and oppose what the enemy supports. 3. Without having the overall situation in mind, one cannot make a good move. 4. If preparations are not complete, it is better to postpone. 5. Restrict what is harmful, and utilize what is harmless. CRV