Jesus never said believe in yourself. He said die to yourself. For what does it profit a man if he gains the whole world and loses or forfeits himself?
Did God engage in genocide? What does the Bible say about homosexuality? Why did God destroy Sodom and Gomorrah? And how does all this apply to our lives today?
Peter wrote that we are foreigners and strangers on this earth, a lesson that traces all the way back to Genesis 13, through the New Testament, and is just is applicable to 21st century Christ followers