Probably depends on the sources for these feelings.
Why and towards whom do you have resentments?
Why do you have a bad conscience?
There is no general way of dealing with this.
Especially tips like>>3
are scams. If your local community is bad, then it will help as much as a bad therapist or incomentent doctor with whatever other ailments you might have. Better not get dragged into the reactionary neo-religious fanatism that gets currently propagated on some imageboards.