Psalm 78:21-25

When the LORD heard them, he was furious; his fire broke out against Jacob, and his wrath rose against Israel, for they did not believe in God or trust in his deliverance. Yet he gave a command to the skies above and opened the doors of the heavens; he rained down manna for the people to eat, he gave them the grain of heaven. Human beings ate the bread of angels; he sent them all the food they could eat. 

his fire broke out against Jacob 
Numbers 11:1  Now the people complained about their hardships in the hearing of the LORD, and when he heard them his anger was aroused. Then fire from the LORD burned among them and consumed some of the outskirts of the camp.

for they did not believe in God or trust in his deliverance 
Deuteronomy 1:32-33  In spite of this, you did not trust in the LORD your God, who went ahead of you on your journey, in fire by night and in a cloud by day, to search out places for you to camp and to show you the way you should go.
Hebrews 3:19  So we see that they were not able to enter, because of their unbelief.

and opened the doors of the heavens 
Genesis 7:11-12  In the six hundredth year of Noah's life, on the seventeenth day of the second month--on that day all the springs of the great deep burst forth, and the floodgates of the heavens were opened. And rain fell on the earth forty days and forty nights.
2 Kings 7:2  The officer on whose arm the king was leaning said to the man of God, "Look, even if the LORD should open the floodgates of the heavens, could this happen?"  "You will see it with your own eyes," answered Elisha, "but you will not eat any of it." (read all of chapter 7)

he rained down manna for the people to eat 
Exodus 16:4-5  Then the LORD said to Moses, "I will rain down bread from heaven for you. The people are to go out each day and gather enough for that day. In this way I will test them and see whether they will follow my instructions. On the sixth day they are to prepare twice as much as they gather on the other days."
John 6:31  "Our ancestors ate the manna in the wilderness; as it is written: 'He gave them bread from heaven to eat.' (Exodus 16:4; Nehemiah 9:15)"

(parentheses are mine)

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