"But I will show you whom you should fear: Fear him who, after your body has been killed, has authority to throw you into hell. Yes, I tell you, fear him." Luke 12:5
You should love AND fear your earthly father as well as your heavenly Father.
"Withhold not correction from the child: for if thou beatest him with the rod, he shall not die." Proverbs 23:13
Jesus Christ's own words: "Do not suppose that I have come to bring peace to the earth. I did not come to bring peace, but a sword." Matthew 10:34