Superstition: It is a belief or way of behaving that is based on fear of the unknown and faith in magic or luck; a belief that certain events or things will bring good or bad luck. It results from ignorance and is absolutely an irrational object, attitude of mind toward the supernatural, nature, or God resulting from superstition. For example, when a black cat passes your way something bad happens. There is a negative connection, passed down through generations.
Belief: It is a state or habit of mind in which trust or confidence is placed in some person or thing. On your own-For the good. Your believe that if you do this, something good happens. Everyone has his own beliefs. It is usually connected to God or supernatural stuff. If a certain belief comes true for a person that person starts believing in it too and that becomes a belief for the person.