This is a helpful quote on what our theology produces in us. Everyone has a theology, whether they realize it or not. What we believe about the nature and acts of God has a profound impact on our nature and how we act in this world.
“The Puritans made me aware that all theology is also spirituality in the sense that it has an influence… If our theology does not quicken the conscious and soften the heart, it actually hardens both; if it does not encourage the commitment of faith, it reinforces the detachment of unbelief; if it fails to promote humility, it inevitable feeds pride.” ~J.I. Packer, A Quest for Godlines