We may fairly regard this metaphor as setting forth the very deepest
characteristic of the gospel. Consider man's need, as typified in the
image of the desert. Mark that the supply for that need must come from
without; that coming from without, it must be lodged in the heart of
the race; that the supernatural communication of a new life and power
is the very essence of the work of Christ; that such a communication is
the only thing adequate to produce these wondrous effects.