Isaiah 42:2

When you pass through the waters, I will be with you; and through the rivers, they shall not overflow you.  When you walk through the fire, you shall not be burned, nor shall the flame scorch you.   

God never said we wouldn’t have troubles, but He did say He would be with us as we walk through them.  Our trust and faith in God and His word must be continual and constant.  When we remind ourselves that God is always with us, the fear never has a chance.  Our minds fixed on the promises of God, and we won’t be defeated.