Three obstacles: demonic obstacles, karmic obstacles, and disaster obstacles.
Demonic obstacles arise due to the confusions of greed, anger, ignorance, etc., Karmic obstacles occur due to the five rebellious actions and the ten evil deeds, and disaster obstacles occur due to the three calamities and eight disasters.
The Ten Evils: There are four evils in speech: idle talk, false talk, harsh speech, and double-tongue.
There are three evils in the heart: greed, anger, and ignorance. There are three evils in the body: killing, stealing, and sexual intercourse, which are combined into the ten evils.
Anyone who commits the Three Obstacles and Ten Evils will experience it in their own body, such as "wind disaster", "flood disaster", "fire disaster" and "thunder disaster".
Turned into eight difficulties; one, it is difficult to be reborn as a human being
Both, it is difficult to replace women with men
Three, the body is completely difficult
Fourth, it is difficult to be reborn in China
Fifth, it is difficult for a gentleman to have the right way.
Sixth, it is difficult to be compassionate by nature
Seventh, it is difficult to maintain peace in the country
Eighth, encounter trouble with the Three Jewels