The weakness of the church is man's doing and not God's doing, the church the body of Christ the new creation has been given the authority and Power to accomplish the will of God in the same way that God was able to accomplish his will through Jesus by his Spirit acts 10:38, we have access to that very same power and authority by faith which is why we are commanded to walk by faith and not by sight, a weak Church is a church that has not been built by Jesus but by man and religion, get your theology straight.