If proper in their own conduct, what difficulty would they have in governing? But if not able to be proper in their own conduct, how can they demand such conduct from others?
You intentionally start small, because you will not be able to compete with an incumbent... because the incumbent is always going to go for the full solution.
He who has not first laid his foundations may be able with great ability to lay them afterwards, but they will be laid with trouble to the architect and danger to the building.