'Sour' in the Bible
Like a vine he will let his sour grapes fall, and like an olive tree he will shed his blossoms.
his food is turned sour in his stomach; it becomes the venom of serpents within him.
He built a hedge around it, removed its stones, and planted a vine. He built a tower in the middle of it, and constructed a winepress. He waited for it to produce edible grapes, but it produced sour ones instead.
What more can I do for my vineyard beyond what I have already done? When I waited for it to produce edible grapes, why did it produce sour ones instead?
He will eat sour milk and honey, which will help him know how to reject evil and choose what is right.
From the abundance of milk they produce, he will have sour milk for his meals. Indeed, everyone left in the heart of the land will eat sour milk and honey.
"When that time comes, people will no longer say, 'The parents have eaten sour grapes, but the children's teeth have grown numb.'
Rather, each person will die for his own sins. The teeth of the person who eats the sour grapes will themselves grow numb.
"What do you mean by quoting this proverb concerning the land of Israel, "'The fathers eat sour grapes And the children's teeth become numb?'