Charles H. Spurgeon on Psalms 78:23

Though he had commanded the clouds from above. Such a marvel ought to have rendered unbelief impossible: when clouds become granaries, seeing should be believing, and doubts should dissolve. And opened the doors of heaven. The great storehouse doors were set wide open, and the corn of heaven poured out in heaps. Those who would not believe in such a case were hardened indeed; and yet our own position is very similar, for the Lord has wrought for us great deliverances, quite as memorable and undeniable, and yet suspicions and forebodings haunt us. He might have shut the gates of hell upon us, instead of which he has opened the doors of heaven; shall we not both believe in him and magnify him for this?