When we believe that God is Father, we also believe that such a father's hand will never cause his child a needless tear. We may not understand life any better, but we will not resent life any longer.
Joy has nothing to do with material things, or with a man's outward circumstance ... a man living in the lap of luxury can be wretched, and a man in the depths of poverty can overflow with joy.
So often we have a kind of vague, wistful longing that the promises of Jesus should be true. The only way really to enter into them is to believe them with the clutching intensity of a drowning man.