Deuteronomy 6:5-6 (NIV)
5Love the Lord your God with all your heart and with all your soul and with all your strength.
6These commandments that I give you today are to be upon your hearts.
Matthew 22:36-40 (NIV)
36“Teacher, which is the greatest commandment in the Law?”
37Jesus replied: ” ‘Love the Lord your God with all your heart and with all your soul and with all your mind.’
38This is the first and greatest commandment.
39And the second is like it: ‘Love your neighbor as yourself.’
40All the Law and the Prophets hang on these two commandments.”
Luke 10:26-28 (NIV)
26“What is written in the Law?” he replied. “How do you read it?”
27He answered: ” ‘Love the Lord your God with all your heart and with all your soul and with all your strength and with all your mind’ ; and, ‘Love your neighbor as yourself.’ “
28“You have answered correctly,” Jesus replied. “Do this and you will live.”