Put this here is needed.
Deuteronomy 13:4
New International Version (NIV)
4 It is the Lord your God you must follow, and him you must revere. Keep his commands and obey him; serve him and hold fast to him.
From BibleGateway.com: http://www.biblegateway.com/passage/?search=Deuteronomy 13:4&version=NIV
NIV®