God: "I looked for someone to take a stand for me, and stand in the gap" (Ezekiel 22:30)
One of two things causes a man to change his mind and reverse his plans: one is foresight to anticipate everything, or lack of foresight to execute them. But as God is both omniscient and omnipotent there is never any need for Him to reverse His decrees.
True generosity is not the prerogative of those who enjoy an adequacy of means. The most genuine liberality is frequently displayed by those who have least to give. Christian giving is estimated in terms not of quantity but of sacrifice.