That is conversion. One has to repent of his sinful life, and change his life. Then the other things such as education will be able to exercise their effect. But without repentance all of the other constructive activities cannot have their full effect. It is like trying to build a building on sand.
History shows that all peoples have had a sense of sin.
For this reason they had ritual observances, purification, sacrifices, penances, to cleanse themselves, and to render the deity propitious. In many cases these peoples distorted the notion of sin and distorted the ritual expression of their sense of sin. But they had something which many people have lost today. That is a sense of their personal responsibility. What they did really counted for something.