Question

The idea that love conquers all is an example of a     

Answer 1

Its an example of a theme 
idk if its wrong or correct but it can be theme

Answer 2

The idea that love conquers all is an example of a universal truth.
Universal truths are universal because they are recognized everywhere in the world - every nation in the world knows that in the end, love wins over everything else. It is a truth that we have been taught to believe since we were kids, all over the globe, which is why that should be the correct answer.