Doubt strengthens my faith. Lifting weights strengthens muscles. Doubts are the barbells that faith must lift to grow strong. Doubt raises the level of my faith above mere feelings. Faith that is based merely on emotional feelings is a fair weather friend.
Feelings go sour when life turns sour.
You can't deny the evidences. You can't deny all you have learned from the Bible. God is there. Satan from the beginning has attempted to raise doubts about the honesty and goodness of God. Suddenly they saw Jesus coming toward them, walking on the water.