This is a book about Heaven. I know it now. It floats among...

This is a book about Heaven. I know it now. It floats among us like a cloud and is the realest thing we know and the least to be captured, the least to be possessed by anybody for himself. It is like a grain of mustard seed, which you cannot see among the crumbs of earth where it lies. It is like the reflection of the trees on the water.