Trusting the Lord

Do you ever find yourself doubting why you have been chosen to do the things you're doing? Sometimes I consider and contemplate the vast amount of people the Lord has to choose from, and ask myself why He uses such peculiar people like myself. What goes on in the mind of God when he takes a man like Moses, who stutters; or man man like Jonah who is obstinate and disobedient to deliver his people? I guess you could call me a deliverer. Why is it that we have to spend years in the desert or in the belly of a whale before we get it right? I've finally realized, that time is on my side.. Everything takes time...