Humans doubt SO much. Typically there are three forms of doubt: doubting personal ability, doubting someone else's ability, or doubting a circumstance. Doubt usually forms because of comparison or fixation on a particular outcome. And here's the thing, the Lord has created you perfectly unique, and doubting your ability would also be doubting God's. On the other hand, He has created a wondrous plan for your life that 100% conflicts with your so called "perfect" plan. You might have an idea of where your headed, but once the Lord points you in a new direction, don't doubt his plan but embrace it!!!
As I was reading my bible this morning, I stumbled across a cool diagram displaying different people within the Bible who doubted & how they were ultimately transformed: Abraham doubted when told he would be a father in old age (Genesis 17:17). Sarah doubted when she heard she would be a mother in old age (Genesis 18:12). Moses doubted when told to return to Egypt to lead the Israelites (Exodus 3:10-15). The Israelites doubted whenever they faced difficulties in the desert (Exodus 16:1-3). Zechariah doubted when told he would be a father in old age (Luke 1:18). Thomas doubted when told Jesus had risen from the dead (John 20:24, 25).
Many of the people God used to accomplish great things started as real doubters. With all of them, God showed great patience. How great a part does doubt have in your willingness to trust God?