Don't Be Unfair To Yourself

Our condolences to all the believers, all across the world, wherever they are, upon the holy months of Muharram and Safar.
What is referred to social injustice in the context of Arabic?
Before anyone harms other people, what are they initially doing to themselves?
And what happens to our actions in this worldly realm; whether they are positive or negative actions?
What is the difference between legislative punishment and creative/natural punishment?
How does the idea of hereditary diseases relate to this discussion of repentance and sins?
Finally, who are we to blame when certain difficulties arise in our lives?
In this Scholar Clip, Shaykh Mansour Leghaei profoundly explains to us "Don't Be Unfair To Yourself".
Salutations be upon Husayn!
Salutations be upon Ali ibne Husayn!
Salutations be upon the children of Husayn!
Salutations be upon the companions of Husayn!