If I thought my faith depended on feeling cheerful, I'd be worried.If I thought my faith depended on feeling cheerful, I'd be worried.
Since I'm a Catholic, I think faith is willingly and consciously embracing "the whole truth that God has revealed." (Catechism of the Catholic Church, 142-150)
Faith is easier when my emotions are in sync with my reason. So is acting as if what I believe matters. Emotions can tell me that something needs attention, but "...conscience is a law of the mind...." (Catechism, 1777-1782)
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