Don't Let the Earth Wander

The earth is about to be destroyed, the human elite is running away, the cultivator Lu Bufan is helpless, and even the patron saint of mankind, Bai Ze, can hardly do anything anymore. He threw a book "Self-cultivation of a Leader" for me to study on my own, saying that after I learn it, I can protect the human race and save the earth. After being beaten, I pinched my nose and believed it...