Deuteronomy 16:3

16:3 You must not eat any yeast with it; for seven days you must eat bread made without yeast, symbolic of affliction, for you came out of Egypt hurriedly. You must do this so you will remember for the rest of your life the day you came out of the land of Egypt.

Psalms 80:5

80:5 You have given them tears as food;

you have made them drink tears by the measure.

Psalms 102:9

102:9 For I eat ashes as if they were bread,

and mix my drink with my tears,

Psalms 127:2

127:2 It is vain for you to rise early, come home late,

and work so hard for your food.

Yes, he can provide for those whom he loves even when they sleep.

Isaiah 30:20

30:20 The sovereign master will give you distress to eat

and suffering to drink;

but your teachers will no longer be hidden;

your eyes will see them.