As I urged you when I went into Macedonia, stay there in Ephesus so that you may command certain people not to teach false doctrines any longer or to devote themselves to myths and endless genealogies. Such things promote controversial speculations rather than advancing God’s work—which is by faith. The goal of this command is love, which comes from a pure heart and a good conscience and a sincere faith.
1 Timothy 1:3-5//
A Biblical example of “tough love.”