✔ 最佳答案
Have you heard about 80:20 rule?
80% people are not good but not really bad.
80% people can earn only 20% of whole world's income.
20% people can earn 80% of whole world's income.
20% people can be so-called good guys & good gals!
But only 20% of good guys & good gals could be nearly perfect!
So ... I also feel this world really super good people are rare, like nearly distinguished species!