Isaiah 28:28

28 Grain must be ground to make bread; so one does not go on threshing it forever. The wheels of a threshing cart may be rolled over it, but one does not use horses to grind grain.

Read Isaiah 28:28 Using Other Translations

Bread corn is bruised; because he will not ever be threshing it, nor break it with the wheel of his cart, nor bruise it with his horsemen.
Does one crush grain for bread? No, he does not thresh it forever; when he drives his cart wheel over it with his horses, he does not crush it.
Grain for bread is easily crushed, so he doesn’t keep on pounding it. He threshes it under the wheels of a cart, but he doesn’t pulverize it.

What does Isaiah 28:28 mean?

John Gill's Exposition of the Bible
Isaiah 28:28

Bread [corn] is bruised
The corn which bread is made of is bruised and ground in a mill: because he will not always be threshing it;
for there is another way of bringing it to flour, that so it may be made bread, namely, by grinding it in a mill; and therefore the husbandman uses his discretion in threshing it; he will not thresh it too much, nor too long, no more than what is necessary to get out the grain, but will take care that he does not bruise and break it; as follows: nor break [it with] the wheel of his cart, nor bruise it [with] his
though he makes use of the above threshing instrument, drawn upon wheels by horses, or oxen, for the threshing out of wheat, barley, or rye, corn of which bread is made; yet he takes care that it is not crushed and spoiled by the wheels of the cart, or the feet of the horses, or oxen, going too often over it; by all which may be signified the tender regard of God in afflicting his own people; he will not always be chiding, striving, and contending with them, or be always angry, and ever afflicting, and, when he does afflict, it is in a tender and careful manner, ( Psalms 103:9 Psalms 103:13 ) ( 125:3 ) ( Isaiah 27:8 Isaiah 27:9 ) ( 57:16 ) .

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