One hot summer’s day a hungry Fox saw some clusters of ripe grapes hanging from a vine. But the vine on which the grapes hung was too high for him to reach.
Drawing back a few steps, he took a running leap at it, but he missed the bunch. Again and again he tried, but in vain. At last, he had to give it up, and walked away with his nose in the air, saying, “They must be sour.”