This made the king very angry and he had the interpreter imprisoned. He then called for another interpreter, who told him,
"From all your family members, you will have the longest life."
Although both interpretations were really the same, the king was happy with the second interpreter and gave him a large reward.
When the truth is spoken in the right manner with the right intention, it will have the right effect.
On the other hand, if the truth is spoken in the wrong manner with the wrong intention, it will have the wrong effect and be a cause of harm, just as it happened in the story.