I will rain

Psalm 78:24, 25
He rained down manna for them to eat; He gave them grain from heaven. . . .

Psalm 105:40
They asked, and He brought quail and satisfied them with the bread of heaven.

John 6:31, 32
Our forefathers ate the manna in the wilderness, as it is written: 'He gave them bread from heaven to eat.'" . . .

1 Corinthians 10:3
They all ate the same spiritual food

a certain rate every day.

Nehemiah 11:23
For there was a command from the king concerning the singers, an ordinance regulating their daily activities.

Proverbs 30:8
Keep falsehood and deceitful words far from me. Give me neither poverty nor riches; feed me with the bread that is my portion.

Matthew 6:11, 32, 33
Give us this day our daily bread. . . .

Luke 11:3
Give us each day our daily bread.

prove them

Exodus 15:25
And Moses cried out to the LORD, and the LORD showed him a log. And when he cast it into the waters, they were sweetened. There the LORD made for them a statute and an ordinance, and there He tested them,

Deuteronomy 8:2, 16
Remember that these forty years the LORD your God led you all the way in the wilderness, so that He might humble you and test you in order to know what was in your heart, whether or not you would keep His commandments. . . .

Joshua 24:15
But if it is unpleasing in your sight to serve the LORD, choose for yourselves this day whom you will serve, whether the gods your fathers served beyond the Euphrates, or the gods of the Amorites in whose land you are living. As for me and my house, we will serve the LORD!"