Isaiah 18:5 For afore the harvest, when the bud is perfect, and the
sour grape is ripening in the flower, he shall both cut off the sprigs with pruning hooks, and take away and cut down the branches.
Jeremiah 31:29 In those days they shall say no more, The fathers have eaten a
sour grape, and the children's teeth are set on edge.
Ezekiel 18:2 What mean ye, that ye use this proverb concerning the land of Israel, saying, The fathers have eaten
sour grapes, and the children's teeth are set on edge?