Many times, we do not appreciate the power of forethought. The concept of planning for something beforehand is a special occurrence. We get this when our parents used to sort out every whim before we even asked for it. God as our heavenly father promises us that he had a plan for our lives before we were even born. God shows us that he has our entire lives planned out for good if we accept to live according to His will. The i knew you in your mother's womb t-shirt works as an assurance of God's good plans for us.