Isaiah 50 describes the person who walks in the fear of the Lord. Part of the process of spiritual maturity is coming to the edge of our understanding, then walking on ahead without knowing what will happen next. God sometimes calls us, as He called Peter, to walk on water—to proceed in faith, but with uncertainty. Walking in darkness as it is used here doesn't refer to moral darkness that comes from sin or demonic oppression. It simply means walking in unknown territory without clear light and reassuring direction.

My old friend Pete Cantrell often says, "The greatest freedom is having nothing to prove." I think this is one of the most profound statements I have ever heard. The person who needs to prove how right or how strong he or she is, is one who is not free. There is a struggle inside to make others think they are right and strong. The truth is, if we really are right and strong, we don't have to say anything! Freedom is being experienced, therefore, when one is having nothing to prove.

Doubt says, "I wonder if it could be." Unbelief says, "I know that it is not." Doubt is not nearly the obstacle that unbelief is. On the day of Pentecost, many in the crowd doubted the testimony of Peter and the disciples, but three thousand souls were added to the Church that very day. Doubt does not stop the mighty wind from heaven.

Doubt offers God the opportunity to prove Himself to you, and He will. He sent Elijah into an idolatrous land to challenge the priests of Baal to a contest.