What is a world connection question for this book?

Can you tell me what you mean by a "world connection" question?

A world connection question.

Is there any way (possibly scientifical) to separate evil from good?

In the story of Dr. Jekyll and Mr. Hyde, the matters goes around separating these two parts of a human been. Evil is in everyone as good is.

Could it be possible? Could you have a double life, without the evil sife of you affecting your reputation, honor, and life?