Exodus 5:8

5:8 But you must require of them the same quota of bricks that they were making before. Do not reduce it, for they are slackers. That is why they are crying, ‘Let us go sacrifice to our God.’

Exodus 16:35

16:35 Now the Israelites ate manna forty years, until they came to a land that was inhabited; they ate manna until they came to the border of the land of Canaan.