If you've never had a God-sized dream that scared you half to death, then you haven't really come to life. If you've never been overwhelmed by the impossibility of your plans, then your God is too small. If your vision isn't perplexingly impossible, then you need to expand the radiuses of your prayer circles.
Be a Circle Maker: The Solution to 10,000 Problems (ed. Zondervan, 2011) - ISBN: 9780310336372