Exodus 16:4

Then the Lord said to Moses, “Behold, I will rain down bread from heaven for you. Each day the people are to go out and gather enough for that day. In this way I will test whether or not they will follow My instructions.
BSB · Berean Standard Bible
Then said the Lord unto Moses, Behold, I will rain bread from heaven for you; and the people shall go out and gather a certain rate every day, that I may prove them, whether they will walk in my law, or no.

Note a certain…: Heb. the portion of a day in his day

KJV · King James Version
Then the Lord said to Moses, “Behold, I will rain bread from the sky for you, and the people shall go out and gather a day’s portion every day, that I may test them, whether they will walk in my law or not.
WEB · World English Bible
Then said Jehovah unto Moses, Behold, I will rain bread from heaven for you; and the people shall go out and gather a day’s portion every day, that I may prove them, whether they will walk in my law, or not.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

I will rain
Psalm 78:24, 25; Psalm 105:40; John 6:31, 32; 1 Corinthians 10:3
a certain rate every day
Heb. the portion of a day in hisday.
Nehemiah 11:23; Proverbs 30:8; Matthew 6:11, 32, 33; Luke 11:3
prove them
Exodus 15:25; Deuteronomy 8:2, 16; Joshua 24:15