The text is about a farmer, carabao, and cow, and the moral lesson is about balancing work and rest.
The subject of the text is the relationship between a farmer and his carabao and cow.
The summary of the text is that the farmer makes the carabao work during the day and the cow work at night, but they decide to go for a swim instead of working.
When the farmer catches them, they accidentally switch skins, resulting in the carabao having tight skin and the cow having sagging skin. The moral lesson of the story is that hard work should be balanced with rest and relaxation.