Joshua 22:5
New International Version (NIV)
5 But be very careful to keep the commandment and the law that Moses the servant of the Lord gave you: to love the Lord your God, to walk in obedience to him, to keep his commands, to hold fast to him and to serve him with all your heart and with all your soul.”
From BibleGateway.com: http://www.biblegateway.com/passage/?search=Joshua 22:5&version=NIV
NIV®