In it simplest and most elemental form, the energy that drove the development of fundamentalism was at the heart of the teachings of Jesus of Nazareth. A scribe asked Jesus the fundamental question: "What commandment is the foremost of all?' His response was: "The foremost is, 'Hear, O Israel! The Lord our God is one Lord; and you shall love the Lord your God with all your mind, and with all your strength.' The second is this, "You shall love your neighbor as yourself." There is no other commandment greater than these."
Jesus's words, read carefully and in context, make it clear that the test of whether I am following these two commandments is not whether I am experiencing the proper emotions, not whether I feel good about my neighbor, or even know my neighbor. The true test is whether I allow the spirit of God to transform me and to transform how I act toward my neighbor.
The Sword of The Lord, Andrew Himes, Chiara Press, 2011, pg. 298