We're not called to live by human reason. All that matters is obedience to God's Word and his leading in our lives. if God says go, we'll go. If he says stay, we'll stay. When we are in his will, we are in the safest place in the world.
The Heavenly Man: The Remarkable True Story of Chinese Christian Brother Yun (ed. Monarch Books, 2002) - ISBN: 9781854245977