Before humans reach adulthood, adults instill virtues like benevolence, righteousness, propriety, wisdom, and trust.

After entering the adult jungle, one will find that this is a world full of tricks, deception, theft, and robbery.
The Earth has produced nearly 100B people, and good people should not exceed 1,000.
Most people are talking animals, living their lives entirely according to the law of the jungle.
Having children should be like wolves and foxes; never like sheep.