You, however, know all about my teaching, my way of life, my purpose, faith, patience, love, endurance, persecutions, sufferings—what kinds of things happened to me in Antioch, Iconium and Lystra, the persecutions I endured. Yet the Lord rescued me from all of them.
In fact, everyone who wants to live a godly life in Christ Jesus will be persecuted, while evil men and impostors will go from bad to worse, deceiving and being deceived.
But as for you, continue in what you have learned and have become convinced of, because you know those from whom you learned it, and how from infancy you have known the holy Scriptures, which are able to make you wise for salvation through faith in Christ Jesus.
All Scripture is God-breathed and is useful for teaching, rebuking, correcting and training in righteousness, so that the man of God may be thoroughly equipped for every good work.

GNT … All Scripture is inspired by God and is useful for teaching the truth, rebuking error, correcting faults and giving instruction for right living’

It’s all about Living Right, this world will convince you anything goes as long as you don’t hurt anyone, but if we want to please God, we must do as he asks.