It was high summer. The sun was extremely hot. Two travelers were going along a dusty road that had no trees along its sides. Looking for some shelter from the hot sun, they saw a tree with big leaves and branches spread like an umbrella.
They placed their belongings on the ground and sat in the cool thick shade of the tree. After taking some rest, one traveler said to the other, “What a useless tree it is! It bears no fruits at all.”
Hearing this, the tree felt pinched and burst out, “You ungrateful soul! On one hand, you are taking shelter in my cool shade from the burning heat of the sun and on the other hand, you are calling me useless. Get up and leave the place immediately to be scorched again.”
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Source : https://www.kidsfront.com/stories-for-kids/never_be_ungrateful.html