happiness, peace and power to follow dharma ( power with which you work) lies in being sync with your spirit by doing action which is spiritually best to do (good deeds). We all have the sense of what is good and what is bad so in a way we all are by default spiritual; Religion teaches good deeds. when we do good deeds or not do bad deeds, we become happy, peaceful, and we get the concentration and inner power to do our work.