Just try to learn the truth by approaching a spiritual master. Inquire from him submissively and render service unto him. The self-realized soul can impart knowledge unto you because he has seen the truth (Bg. 4-34).
In my lifetime I have learnt that one race is not superior to another. In my lifetime I have learnt that one sex is not superior to another. I await the day when one religion is not considered superior to another.
Genuine security arises from actual, first-hand knowledge that one is both capable and worthy of achieving happiness (through conscious, responsible action) and, once having attained it, that he deserves it.