I don’t think the caption needs an explanation as such. The story goes like this: Both the dog and the squirrel are very cute when you see them on their own. But at the moment you see them together, there is no joy. You would think that they would get along really well but… the dog likes to chase the squirrel and the squirrel runs away because it is afraid of the dog. However, both are really wise.
Do we not think like this when we see people?
Aren’t we the same in this aspect? There is only one exception I want to address – we are intelligent enough to change our ‘instincts’ so there is joy. Maybe then, animals through observation would copy our good behaviour.