Too many pillows are soaked by the tears of parents who have tried to be consistent, to keep their kids in church, and to raise them in obedience to God's Word, only to see them leave home, leave church, and leave God. It hurts. Jude dealt with false teachers who rejected the Lord, but his bold confrontation ends with an obvious wave of pity and compassion for those they were deceiving. In Jude 22–23 he gives us specific help to deal with three different types of rebels.
Some Are Playing with Fire and Must Be Warned
"And have mercy on some, who are doubting" (Jude 22, NASB).
You must show mercy to those whose faith is wavering. Show the same mercy and compassion that God has shown you. Hear them out. Tell them why you believe what you believe rather than demanding blind allegiance. It is especially vital to help them see the flaws in the secularist reasoning that surrounds them. Solomon said, "My son, give me your heart" (Proverbs 23:26). If you don't have the heart of your children, you will never impact their lives. Go on a vacation and take time to win back their hearts. Through their times of doubt they need patient listeners and biblical direction.
[Read the rest of the article at Answers in Genesis.]